166672040

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{23021}}^1$

素因数の和:23213

約数の個数: 32

約数和(自身を含む): 377100360

約数和(自身を除く): 210428320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 23021, 46042, 92084, 115105, 184168, 230210, 460420, 920840, 4166801, 8333602, 16667204, 20834005, 33334408, 41668010, 83336020, 166672040]

約数ペア:

[(1, 166672040), (2, 83336020), (4, 41668010), (5, 33334408), (8, 20834005), (10, 16667204), (20, 8333602), (40, 4166801), (181, 920840), (362, 460420), (724, 230210), (905, 184168), (1448, 115105), (1810, 92084), (3620, 46042), (7240, 23021)]