72877520

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1601}}^1$

素因数の和:2183

約数の個数: 40

約数和(自身を含む): 169844040

約数和(自身を除く): 96966520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 1601, 2276, 2845, 3202, 4552, 5690, 6404, 8005, 9104, 11380, 12808, 16010, 22760, 25616, 32020, 45520, 64040, 128080, 910969, 1821938, 3643876, 4554845, 7287752, 9109690, 14575504, 18219380, 36438760, 72877520]

約数ペア:

[(1, 72877520), (2, 36438760), (4, 18219380), (5, 14575504), (8, 9109690), (10, 7287752), (16, 4554845), (20, 3643876), (40, 1821938), (80, 910969), (569, 128080), (1138, 64040), (1601, 45520), (2276, 32020), (2845, 25616), (3202, 22760), (4552, 16010), (5690, 12808), (6404, 11380), (8005, 9104)]