42128560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7417}}^1$

素因数の和:7501

約数の個数: 40

約数和(自身を含む): 99341856

約数和(自身を除く): 57213296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 7417, 14834, 29668, 37085, 59336, 74170, 118672, 148340, 296680, 526607, 593360, 1053214, 2106428, 2633035, 4212856, 5266070, 8425712, 10532140, 21064280, 42128560]

約数ペア:

[(1, 42128560), (2, 21064280), (4, 10532140), (5, 8425712), (8, 5266070), (10, 4212856), (16, 2633035), (20, 2106428), (40, 1053214), (71, 593360), (80, 526607), (142, 296680), (284, 148340), (355, 118672), (568, 74170), (710, 59336), (1136, 37085), (1420, 29668), (2840, 14834), (5680, 7417)]