38935960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 100710720

約数和(自身を除く): 61774760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 577, 964, 1154, 1205, 1687, 1928, 2308, 2410, 2885, 3374, 4039, 4616, 4820, 5770, 6748, 8078, 8435, 9640, 11540, 13496, 16156, 16870, 20195, 23080, 32312, 33740, 40390, 67480, 80780, 139057, 161560, 278114, 556228, 695285, 973399, 1112456, 1390570, 1946798, 2781140, 3893596, 4866995, 5562280, 7787192, 9733990, 19467980, 38935960]

約数ペア:

[(1, 38935960), (2, 19467980), (4, 9733990), (5, 7787192), (7, 5562280), (8, 4866995), (10, 3893596), (14, 2781140), (20, 1946798), (28, 1390570), (35, 1112456), (40, 973399), (56, 695285), (70, 556228), (140, 278114), (241, 161560), (280, 139057), (482, 80780), (577, 67480), (964, 40390), (1154, 33740), (1205, 32312), (1687, 23080), (1928, 20195), (2308, 16870), (2410, 16156), (2885, 13496), (3374, 11540), (4039, 9640), (4616, 8435), (4820, 8078), (5770, 6748)]