15209950825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 19987292160

約数和(自身を除く): 4777341335

約数列:

[1, 5, 25, 31, 47, 155, 211, 235, 775, 1055, 1175, 1457, 1979, 5275, 6541, 7285, 9895, 9917, 32705, 36425, 49475, 49585, 61349, 93013, 163525, 247925, 306745, 307427, 417569, 465065, 1533725, 1537135, 2087845, 2325325, 2883403, 7685675, 10439225, 12944639, 14417015, 19625743, 64723195, 72085075, 98128715, 323615975, 490643575, 608398033, 3041990165, 15209950825]

約数ペア:

[(1, 15209950825), (5, 3041990165), (25, 608398033), (31, 490643575), (47, 323615975), (155, 98128715), (211, 72085075), (235, 64723195), (775, 19625743), (1055, 14417015), (1175, 12944639), (1457, 10439225), (1979, 7685675), (5275, 2883403), (6541, 2325325), (7285, 2087845), (9895, 1537135), (9917, 1533725), (32705, 465065), (36425, 417569), (49475, 307427), (49585, 306745), (61349, 247925), (93013, 163525)]