20076595100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{340859}}^1$

素因数の和:340923

約数の個数: 72

約数和(自身を含む): 47338636800

約数和(自身を除く): 27262041700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2945, 3100, 5890, 11780, 14725, 29450, 58900, 340859, 681718, 1363436, 1704295, 3408590, 6476321, 6817180, 8521475, 10566629, 12952642, 17042950, 21133258, 25905284, 32381605, 34085900, 42266516, 52833145, 64763210, 105666290, 129526420, 161908025, 200765951, 211332580, 264165725, 323816050, 401531902, 528331450, 647632100, 803063804, 1003829755, 1056662900, 2007659510, 4015319020, 5019148775, 10038297550, 20076595100]

約数ペア:

[(1, 20076595100), (2, 10038297550), (4, 5019148775), (5, 4015319020), (10, 2007659510), (19, 1056662900), (20, 1003829755), (25, 803063804), (31, 647632100), (38, 528331450), (50, 401531902), (62, 323816050), (76, 264165725), (95, 211332580), (100, 200765951), (124, 161908025), (155, 129526420), (190, 105666290), (310, 64763210), (380, 52833145), (475, 42266516), (589, 34085900), (620, 32381605), (775, 25905284), (950, 21133258), (1178, 17042950), (1550, 12952642), (1900, 10566629), (2356, 8521475), (2945, 6817180), (3100, 6476321), (5890, 3408590), (11780, 1704295), (14725, 1363436), (29450, 681718), (58900, 340859)]