39894920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4513}}^1$

素因数の和:4554

約数の個数: 64

約数和(自身を含む): 102377520

約数和(自身を除く): 62482600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 4513, 8840, 9026, 18052, 22565, 36104, 45130, 58669, 76721, 90260, 117338, 153442, 180520, 234676, 293345, 306884, 383605, 469352, 586690, 613768, 767210, 997373, 1173380, 1534420, 1994746, 2346760, 3068840, 3989492, 4986865, 7978984, 9973730, 19947460, 39894920]

約数ペア:

[(1, 39894920), (2, 19947460), (4, 9973730), (5, 7978984), (8, 4986865), (10, 3989492), (13, 3068840), (17, 2346760), (20, 1994746), (26, 1534420), (34, 1173380), (40, 997373), (52, 767210), (65, 613768), (68, 586690), (85, 469352), (104, 383605), (130, 306884), (136, 293345), (170, 234676), (221, 180520), (260, 153442), (340, 117338), (442, 90260), (520, 76721), (680, 58669), (884, 45130), (1105, 36104), (1768, 22565), (2210, 18052), (4420, 9026), (4513, 8840)]