25155780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32251}}^1$

素因数の和:32276

約数の個数: 48

約数和(自身を含む): 75856704

約数和(自身を除く): 50700924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32251, 64502, 96753, 129004, 161255, 193506, 322510, 387012, 419263, 483765, 645020, 838526, 967530, 1257789, 1677052, 1935060, 2096315, 2515578, 4192630, 5031156, 6288945, 8385260, 12577890, 25155780]

約数ペア:

[(1, 25155780), (2, 12577890), (3, 8385260), (4, 6288945), (5, 5031156), (6, 4192630), (10, 2515578), (12, 2096315), (13, 1935060), (15, 1677052), (20, 1257789), (26, 967530), (30, 838526), (39, 645020), (52, 483765), (60, 419263), (65, 387012), (78, 322510), (130, 193506), (156, 161255), (195, 129004), (260, 96753), (390, 64502), (780, 32251)]