31395920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 77352192

約数和(自身を除く): 45956272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 151, 184, 226, 230, 302, 368, 452, 460, 565, 604, 755, 904, 920, 1130, 1208, 1510, 1808, 1840, 2260, 2416, 2599, 3020, 3473, 4520, 5198, 6040, 6946, 9040, 10396, 12080, 12995, 13892, 17063, 17365, 20792, 25990, 27784, 34126, 34730, 41584, 51980, 55568, 68252, 69460, 85315, 103960, 136504, 138920, 170630, 207920, 273008, 277840, 341260, 392449, 682520, 784898, 1365040, 1569796, 1962245, 3139592, 3924490, 6279184, 7848980, 15697960, 31395920]

約数ペア:

[(1, 31395920), (2, 15697960), (4, 7848980), (5, 6279184), (8, 3924490), (10, 3139592), (16, 1962245), (20, 1569796), (23, 1365040), (40, 784898), (46, 682520), (80, 392449), (92, 341260), (113, 277840), (115, 273008), (151, 207920), (184, 170630), (226, 138920), (230, 136504), (302, 103960), (368, 85315), (452, 69460), (460, 68252), (565, 55568), (604, 51980), (755, 41584), (904, 34730), (920, 34126), (1130, 27784), (1208, 25990), (1510, 20792), (1808, 17365), (1840, 17063), (2260, 13892), (2416, 12995), (2599, 12080), (3020, 10396), (3473, 9040), (4520, 6946), (5198, 6040)]