64335520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21163}}^1$

素因数の和:21197

約数の個数: 48

約数和(自身を含む): 159999840

約数和(自身を除く): 95664320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21163, 42326, 84652, 105815, 169304, 211630, 338608, 402097, 423260, 677216, 804194, 846520, 1608388, 1693040, 2010485, 3216776, 3386080, 4020970, 6433552, 8041940, 12867104, 16083880, 32167760, 64335520]

約数ペア:

[(1, 64335520), (2, 32167760), (4, 16083880), (5, 12867104), (8, 8041940), (10, 6433552), (16, 4020970), (19, 3386080), (20, 3216776), (32, 2010485), (38, 1693040), (40, 1608388), (76, 846520), (80, 804194), (95, 677216), (152, 423260), (160, 402097), (190, 338608), (304, 211630), (380, 169304), (608, 105815), (760, 84652), (1520, 42326), (3040, 21163)]