64225180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 141281280

約数和(自身を除く): 77056100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 1459, 2201, 2918, 4402, 5836, 7295, 8804, 11005, 14590, 22010, 29180, 44020, 45229, 90458, 103589, 180916, 207178, 226145, 414356, 452290, 517945, 904580, 1035890, 2071780, 3211259, 6422518, 12845036, 16056295, 32112590, 64225180]

約数ペア:

[(1, 64225180), (2, 32112590), (4, 16056295), (5, 12845036), (10, 6422518), (20, 3211259), (31, 2071780), (62, 1035890), (71, 904580), (124, 517945), (142, 452290), (155, 414356), (284, 226145), (310, 207178), (355, 180916), (620, 103589), (710, 90458), (1420, 45229), (1459, 44020), (2201, 29180), (2918, 22010), (4402, 14590), (5836, 11005), (7295, 8804)]