28800640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4091}}^1$

素因数の和:4121

約数の個数: 64

約数和(自身を含む): 75129120

約数和(自身を除く): 46328480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 4091, 7040, 8182, 16364, 20455, 32728, 40910, 45001, 65456, 81820, 90002, 130912, 163640, 180004, 225005, 261824, 327280, 360008, 450010, 523648, 654560, 720016, 900020, 1309120, 1440032, 1800040, 2618240, 2880064, 3600080, 5760128, 7200160, 14400320, 28800640]

約数ペア:

[(1, 28800640), (2, 14400320), (4, 7200160), (5, 5760128), (8, 3600080), (10, 2880064), (11, 2618240), (16, 1800040), (20, 1440032), (22, 1309120), (32, 900020), (40, 720016), (44, 654560), (55, 523648), (64, 450010), (80, 360008), (88, 327280), (110, 261824), (128, 225005), (160, 180004), (176, 163640), (220, 130912), (320, 90002), (352, 81820), (440, 65456), (640, 45001), (704, 40910), (880, 32728), (1408, 20455), (1760, 16364), (3520, 8182), (4091, 7040)]