28033980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 85499904

約数和(自身を除く): 57465924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 283, 381, 390, 508, 566, 635, 762, 780, 849, 1132, 1270, 1415, 1524, 1651, 1698, 1905, 2540, 2830, 3302, 3396, 3679, 3810, 4245, 4953, 5660, 6604, 7358, 7620, 8255, 8490, 9906, 11037, 14716, 16510, 16980, 18395, 19812, 22074, 24765, 33020, 35941, 36790, 44148, 49530, 55185, 71882, 73580, 99060, 107823, 110370, 143764, 179705, 215646, 220740, 359410, 431292, 467233, 539115, 718820, 934466, 1078230, 1401699, 1868932, 2156460, 2336165, 2803398, 4672330, 5606796, 7008495, 9344660, 14016990, 28033980]

約数ペア:

[(1, 28033980), (2, 14016990), (3, 9344660), (4, 7008495), (5, 5606796), (6, 4672330), (10, 2803398), (12, 2336165), (13, 2156460), (15, 1868932), (20, 1401699), (26, 1078230), (30, 934466), (39, 718820), (52, 539115), (60, 467233), (65, 431292), (78, 359410), (127, 220740), (130, 215646), (156, 179705), (195, 143764), (254, 110370), (260, 107823), (283, 99060), (381, 73580), (390, 71882), (508, 55185), (566, 49530), (635, 44148), (762, 36790), (780, 35941), (849, 33020), (1132, 24765), (1270, 22074), (1415, 19812), (1524, 18395), (1651, 16980), (1698, 16510), (1905, 14716), (2540, 11037), (2830, 9906), (3302, 8490), (3396, 8255), (3679, 7620), (3810, 7358), (4245, 6604), (4953, 5660)]