105480800

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1768

約数の個数: 72

約数和(自身を含む): 260920800

約数和(自身を除く): 155440000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1669, 1975, 2528, 3160, 3338, 3950, 6320, 6676, 7900, 8345, 12640, 13352, 15800, 16690, 26704, 31600, 33380, 41725, 53408, 63200, 66760, 83450, 131851, 133520, 166900, 263702, 267040, 333800, 527404, 659255, 667600, 1054808, 1318510, 1335200, 2109616, 2637020, 3296275, 4219232, 5274040, 6592550, 10548080, 13185100, 21096160, 26370200, 52740400, 105480800]

約数ペア:

[(1, 105480800), (2, 52740400), (4, 26370200), (5, 21096160), (8, 13185100), (10, 10548080), (16, 6592550), (20, 5274040), (25, 4219232), (32, 3296275), (40, 2637020), (50, 2109616), (79, 1335200), (80, 1318510), (100, 1054808), (158, 667600), (160, 659255), (200, 527404), (316, 333800), (395, 267040), (400, 263702), (632, 166900), (790, 133520), (800, 131851), (1264, 83450), (1580, 66760), (1669, 63200), (1975, 53408), (2528, 41725), (3160, 33380), (3338, 31600), (3950, 26704), (6320, 16690), (6676, 15800), (7900, 13352), (8345, 12640)]