40581220

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3079}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 85377600

約数和(自身を除く): 44796380

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3079, 3295, 6158, 6590, 12316, 13180, 15395, 30790, 61580, 2029061, 4058122, 8116244, 10145305, 20290610, 40581220]

約数ペア:

[(1, 40581220), (2, 20290610), (4, 10145305), (5, 8116244), (10, 4058122), (20, 2029061), (659, 61580), (1318, 30790), (2636, 15395), (3079, 13180), (3295, 12316), (6158, 6590)]