25004980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1289

約数の個数: 96

約数和(自身を含む): 70560000

約数和(自身を除く): 45555020

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1249, 1430, 1540, 1820, 2002, 2498, 2860, 4004, 4996, 5005, 6245, 8743, 10010, 12490, 13739, 16237, 17486, 20020, 24980, 27478, 32474, 34972, 43715, 54956, 64948, 68695, 81185, 87430, 96173, 113659, 137390, 162370, 174860, 178607, 192346, 227318, 274780, 324740, 357214, 384692, 454636, 480865, 568295, 714428, 893035, 961730, 1136590, 1250249, 1786070, 1923460, 2273180, 2500498, 3572140, 5000996, 6251245, 12502490, 25004980]

約数ペア:

[(1, 25004980), (2, 12502490), (4, 6251245), (5, 5000996), (7, 3572140), (10, 2500498), (11, 2273180), (13, 1923460), (14, 1786070), (20, 1250249), (22, 1136590), (26, 961730), (28, 893035), (35, 714428), (44, 568295), (52, 480865), (55, 454636), (65, 384692), (70, 357214), (77, 324740), (91, 274780), (110, 227318), (130, 192346), (140, 178607), (143, 174860), (154, 162370), (182, 137390), (220, 113659), (260, 96173), (286, 87430), (308, 81185), (364, 68695), (385, 64948), (455, 54956), (572, 43715), (715, 34972), (770, 32474), (910, 27478), (1001, 24980), (1249, 20020), (1430, 17486), (1540, 16237), (1820, 13739), (2002, 12490), (2498, 10010), (2860, 8743), (4004, 6245), (4996, 5005)]