40321996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 83613600

約数和(自身を除く): 43291604

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 286, 314, 449, 572, 628, 898, 1727, 1796, 2041, 3454, 4082, 4939, 5837, 6908, 8164, 9878, 11674, 19756, 22451, 23348, 44902, 64207, 70493, 89804, 128414, 140986, 256828, 281972, 775423, 916409, 1550846, 1832818, 3101692, 3665636, 10080499, 20160998, 40321996]

約数ペア:

[(1, 40321996), (2, 20160998), (4, 10080499), (11, 3665636), (13, 3101692), (22, 1832818), (26, 1550846), (44, 916409), (52, 775423), (143, 281972), (157, 256828), (286, 140986), (314, 128414), (449, 89804), (572, 70493), (628, 64207), (898, 44902), (1727, 23348), (1796, 22451), (2041, 19756), (3454, 11674), (4082, 9878), (4939, 8164), (5837, 6908)]