9968920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 25452000

約数和(自身を除く): 15483080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1009, 1235, 1976, 2018, 2470, 4036, 4940, 5045, 8072, 9880, 10090, 13117, 19171, 20180, 26234, 38342, 40360, 52468, 65585, 76684, 95855, 104936, 131170, 153368, 191710, 249223, 262340, 383420, 498446, 524680, 766840, 996892, 1246115, 1993784, 2492230, 4984460, 9968920]

約数ペア:

[(1, 9968920), (2, 4984460), (4, 2492230), (5, 1993784), (8, 1246115), (10, 996892), (13, 766840), (19, 524680), (20, 498446), (26, 383420), (38, 262340), (40, 249223), (52, 191710), (65, 153368), (76, 131170), (95, 104936), (104, 95855), (130, 76684), (152, 65585), (190, 52468), (247, 40360), (260, 38342), (380, 26234), (494, 20180), (520, 19171), (760, 13117), (988, 10090), (1009, 9880), (1235, 8072), (1976, 5045), (2018, 4940), (2470, 4036)]