128941360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22079}}^1$

素因数の和:22165

約数の個数: 40

約数和(自身を含む): 303909120

約数和(自身を除く): 174967760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 22079, 44158, 88316, 110395, 176632, 220790, 353264, 441580, 883160, 1611767, 1766320, 3223534, 6447068, 8058835, 12894136, 16117670, 25788272, 32235340, 64470680, 128941360]

約数ペア:

[(1, 128941360), (2, 64470680), (4, 32235340), (5, 25788272), (8, 16117670), (10, 12894136), (16, 8058835), (20, 6447068), (40, 3223534), (73, 1766320), (80, 1611767), (146, 883160), (292, 441580), (365, 353264), (584, 220790), (730, 176632), (1168, 110395), (1460, 88316), (2920, 44158), (5840, 22079)]