40384880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^2$

素因数の和:358

約数の個数: 60

約数和(自身を含む): 99446760

約数和(自身を除く): 59061880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 380, 652, 760, 815, 1304, 1520, 1630, 2608, 3097, 3260, 6194, 6520, 12388, 13040, 15485, 24776, 26569, 30970, 49552, 53138, 61940, 106276, 123880, 132845, 212552, 247760, 265690, 425104, 504811, 531380, 1009622, 1062760, 2019244, 2125520, 2524055, 4038488, 5048110, 8076976, 10096220, 20192440, 40384880]

約数ペア:

[(1, 40384880), (2, 20192440), (4, 10096220), (5, 8076976), (8, 5048110), (10, 4038488), (16, 2524055), (19, 2125520), (20, 2019244), (38, 1062760), (40, 1009622), (76, 531380), (80, 504811), (95, 425104), (152, 265690), (163, 247760), (190, 212552), (304, 132845), (326, 123880), (380, 106276), (652, 61940), (760, 53138), (815, 49552), (1304, 30970), (1520, 26569), (1630, 24776), (2608, 15485), (3097, 13040), (3260, 12388), (6194, 6520)]