40979900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 99160320

約数和(自身を除く): 58180420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1087, 1300, 1450, 1508, 1885, 2174, 2900, 3770, 4348, 5435, 7540, 9425, 10870, 14131, 18850, 21740, 27175, 28262, 31523, 37700, 54350, 56524, 63046, 70655, 108700, 126092, 141310, 157615, 282620, 315230, 353275, 409799, 630460, 706550, 788075, 819598, 1413100, 1576150, 1639196, 2048995, 3152300, 4097990, 8195980, 10244975, 20489950, 40979900]

約数ペア:

[(1, 40979900), (2, 20489950), (4, 10244975), (5, 8195980), (10, 4097990), (13, 3152300), (20, 2048995), (25, 1639196), (26, 1576150), (29, 1413100), (50, 819598), (52, 788075), (58, 706550), (65, 630460), (100, 409799), (116, 353275), (130, 315230), (145, 282620), (260, 157615), (290, 141310), (325, 126092), (377, 108700), (580, 70655), (650, 63046), (725, 56524), (754, 54350), (1087, 37700), (1300, 31523), (1450, 28262), (1508, 27175), (1885, 21740), (2174, 18850), (2900, 14131), (3770, 10870), (4348, 9425), (5435, 7540)]