121387880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74017}}^1$

素因数の和:74069

約数の個数: 32

約数和(自身を含む): 279788040

約数和(自身を除く): 158400160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 74017, 148034, 296068, 370085, 592136, 740170, 1480340, 2960680, 3034697, 6069394, 12138788, 15173485, 24277576, 30346970, 60693940, 121387880]

約数ペア:

[(1, 121387880), (2, 60693940), (4, 30346970), (5, 24277576), (8, 15173485), (10, 12138788), (20, 6069394), (40, 3034697), (41, 2960680), (82, 1480340), (164, 740170), (205, 592136), (328, 370085), (410, 296068), (820, 148034), (1640, 74017)]