64886840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 150543360

約数和(自身を除く): 85656520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 212, 241, 254, 265, 424, 482, 508, 530, 635, 964, 1016, 1060, 1205, 1270, 1928, 2120, 2410, 2540, 4820, 5080, 6731, 9640, 12773, 13462, 25546, 26924, 30607, 33655, 51092, 53848, 61214, 63865, 67310, 102184, 122428, 127730, 134620, 153035, 244856, 255460, 269240, 306070, 510920, 612140, 1224280, 1622171, 3244342, 6488684, 8110855, 12977368, 16221710, 32443420, 64886840]

約数ペア:

[(1, 64886840), (2, 32443420), (4, 16221710), (5, 12977368), (8, 8110855), (10, 6488684), (20, 3244342), (40, 1622171), (53, 1224280), (106, 612140), (127, 510920), (212, 306070), (241, 269240), (254, 255460), (265, 244856), (424, 153035), (482, 134620), (508, 127730), (530, 122428), (635, 102184), (964, 67310), (1016, 63865), (1060, 61214), (1205, 53848), (1270, 51092), (1928, 33655), (2120, 30607), (2410, 26924), (2540, 25546), (4820, 13462), (5080, 12773), (6731, 9640)]