26105560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 64370880

約数和(自身を除く): 38265320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 823, 1220, 1586, 1646, 2440, 3172, 3292, 3965, 4115, 6344, 6584, 7930, 8230, 10699, 15860, 16460, 21398, 31720, 32920, 42796, 50203, 53495, 85592, 100406, 106990, 200812, 213980, 251015, 401624, 427960, 502030, 652639, 1004060, 1305278, 2008120, 2610556, 3263195, 5221112, 6526390, 13052780, 26105560]

約数ペア:

[(1, 26105560), (2, 13052780), (4, 6526390), (5, 5221112), (8, 3263195), (10, 2610556), (13, 2008120), (20, 1305278), (26, 1004060), (40, 652639), (52, 502030), (61, 427960), (65, 401624), (104, 251015), (122, 213980), (130, 200812), (244, 106990), (260, 100406), (305, 85592), (488, 53495), (520, 50203), (610, 42796), (793, 32920), (823, 31720), (1220, 21398), (1586, 16460), (1646, 15860), (2440, 10699), (3172, 8230), (3292, 7930), (3965, 6584), (4115, 6344)]