40188820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 102501504

約数和(自身を除く): 62312684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 1783, 2254, 3220, 3566, 4508, 5635, 7132, 8915, 11270, 12481, 17830, 22540, 24962, 35660, 41009, 49924, 62405, 82018, 87367, 124810, 164036, 174734, 205045, 249620, 287063, 349468, 410090, 436835, 574126, 820180, 873670, 1148252, 1435315, 1747340, 2009441, 2870630, 4018882, 5741260, 8037764, 10047205, 20094410, 40188820]

約数ペア:

[(1, 40188820), (2, 20094410), (4, 10047205), (5, 8037764), (7, 5741260), (10, 4018882), (14, 2870630), (20, 2009441), (23, 1747340), (28, 1435315), (35, 1148252), (46, 873670), (49, 820180), (70, 574126), (92, 436835), (98, 410090), (115, 349468), (140, 287063), (161, 249620), (196, 205045), (230, 174734), (245, 164036), (322, 124810), (460, 87367), (490, 82018), (644, 62405), (805, 49924), (980, 41009), (1127, 35660), (1610, 24962), (1783, 22540), (2254, 17830), (3220, 12481), (3566, 11270), (4508, 8915), (5635, 7132)]