40224040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 96714000

約数和(自身を除く): 56489960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 397, 596, 680, 745, 794, 1192, 1490, 1588, 1985, 2533, 2980, 3176, 3970, 5066, 5960, 6749, 7940, 10132, 12665, 13498, 15880, 20264, 25330, 26996, 33745, 50660, 53992, 59153, 67490, 101320, 118306, 134980, 236612, 269960, 295765, 473224, 591530, 1005601, 1183060, 2011202, 2366120, 4022404, 5028005, 8044808, 10056010, 20112020, 40224040]

約数ペア:

[(1, 40224040), (2, 20112020), (4, 10056010), (5, 8044808), (8, 5028005), (10, 4022404), (17, 2366120), (20, 2011202), (34, 1183060), (40, 1005601), (68, 591530), (85, 473224), (136, 295765), (149, 269960), (170, 236612), (298, 134980), (340, 118306), (397, 101320), (596, 67490), (680, 59153), (745, 53992), (794, 50660), (1192, 33745), (1490, 26996), (1588, 25330), (1985, 20264), (2533, 15880), (2980, 13498), (3176, 12665), (3970, 10132), (5066, 7940), (5960, 6749)]