40781600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2683}}^1$

素因数の和:2722

約数の個数: 72

約数和(自身を含む): 104837040

約数和(自身を除く): 64055440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 2683, 3040, 3800, 5366, 7600, 10732, 13415, 15200, 21464, 26830, 42928, 50977, 53660, 67075, 85856, 101954, 107320, 134150, 203908, 214640, 254885, 268300, 407816, 429280, 509770, 536600, 815632, 1019540, 1073200, 1274425, 1631264, 2039080, 2146400, 2548850, 4078160, 5097700, 8156320, 10195400, 20390800, 40781600]

約数ペア:

[(1, 40781600), (2, 20390800), (4, 10195400), (5, 8156320), (8, 5097700), (10, 4078160), (16, 2548850), (19, 2146400), (20, 2039080), (25, 1631264), (32, 1274425), (38, 1073200), (40, 1019540), (50, 815632), (76, 536600), (80, 509770), (95, 429280), (100, 407816), (152, 268300), (160, 254885), (190, 214640), (200, 203908), (304, 134150), (380, 107320), (400, 101954), (475, 85856), (608, 67075), (760, 53660), (800, 50977), (950, 42928), (1520, 26830), (1900, 21464), (2683, 15200), (3040, 13415), (3800, 10732), (5366, 7600)]