2912129680

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{65353}}^1$

素因数の和:65923

約数の個数: 40

約数和(自身を含む): 6782960952

約数和(自身を除く): 3870831272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 22280, 44560, 65353, 130706, 261412, 326765, 522824, 653530, 1045648, 1307060, 2614120, 5228240, 36401621, 72803242, 145606484, 182008105, 291212968, 364016210, 582425936, 728032420, 1456064840, 2912129680]

約数ペア:

[(1, 2912129680), (2, 1456064840), (4, 728032420), (5, 582425936), (8, 364016210), (10, 291212968), (16, 182008105), (20, 145606484), (40, 72803242), (80, 36401621), (557, 5228240), (1114, 2614120), (2228, 1307060), (2785, 1045648), (4456, 653530), (5570, 522824), (8912, 326765), (11140, 261412), (22280, 130706), (44560, 65353)]