13000277680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1\times {\mathrm{2351}}^1$

素因数の和:2799

約数の個数: 120

約数和(自身を含む): 32823524160

約数和(自身を除く): 19823246480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 409, 520, 676, 818, 845, 1040, 1352, 1636, 1690, 2045, 2351, 2704, 3272, 3380, 4090, 4702, 5317, 6544, 6760, 8180, 9404, 10634, 11755, 13520, 16360, 18808, 21268, 23510, 26585, 30563, 32720, 37616, 42536, 47020, 53170, 61126, 69121, 85072, 94040, 106340, 122252, 138242, 152815, 188080, 212680, 244504, 276484, 305630, 345605, 397319, 425360, 489008, 552968, 611260, 691210, 794638, 961559, 1105936, 1222520, 1382420, 1589276, 1923118, 1986595, 2445040, 2764840, 3178552, 3846236, 3973190, 4807795, 5529680, 6357104, 7692472, 7946380, 9615590, 12500267, 15384944, 15892760, 19231180, 25000534, 31785520, 38462360, 50001068, 62501335, 76924720, 100002136, 125002670, 162503471, 200004272, 250005340, 325006942, 500010680, 650013884, 812517355, 1000021360, 1300027768, 1625034710, 2600055536, 3250069420, 6500138840, 13000277680]

約数ペア:

[(1, 13000277680), (2, 6500138840), (4, 3250069420), (5, 2600055536), (8, 1625034710), (10, 1300027768), (13, 1000021360), (16, 812517355), (20, 650013884), (26, 500010680), (40, 325006942), (52, 250005340), (65, 200004272), (80, 162503471), (104, 125002670), (130, 100002136), (169, 76924720), (208, 62501335), (260, 50001068), (338, 38462360), (409, 31785520), (520, 25000534), (676, 19231180), (818, 15892760), (845, 15384944), (1040, 12500267), (1352, 9615590), (1636, 7946380), (1690, 7692472), (2045, 6357104), (2351, 5529680), (2704, 4807795), (3272, 3973190), (3380, 3846236), (4090, 3178552), (4702, 2764840), (5317, 2445040), (6544, 1986595), (6760, 1923118), (8180, 1589276), (9404, 1382420), (10634, 1222520), (11755, 1105936), (13520, 961559), (16360, 794638), (18808, 691210), (21268, 611260), (23510, 552968), (26585, 489008), (30563, 425360), (32720, 397319), (37616, 345605), (42536, 305630), (47020, 276484), (53170, 244504), (61126, 212680), (69121, 188080), (85072, 152815), (94040, 138242), (106340, 122252)]