64712300

素因数分解:

$2^2\times 5^2\times {\mathrm{653}}^1\times {\mathrm{991}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 140782656

約数和(自身を除く): 76070356

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 653, 991, 1306, 1982, 2612, 3265, 3964, 4955, 6530, 9910, 13060, 16325, 19820, 24775, 32650, 49550, 65300, 99100, 647123, 1294246, 2588492, 3235615, 6471230, 12942460, 16178075, 32356150, 64712300]

約数ペア:

[(1, 64712300), (2, 32356150), (4, 16178075), (5, 12942460), (10, 6471230), (20, 3235615), (25, 2588492), (50, 1294246), (100, 647123), (653, 99100), (991, 65300), (1306, 49550), (1982, 32650), (2612, 24775), (3265, 19820), (3964, 16325), (4955, 13060), (6530, 9910)]