31556440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 73366560

約数和(自身を除く): 41810120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 101, 107, 146, 202, 214, 292, 365, 404, 428, 505, 535, 584, 730, 808, 856, 1010, 1070, 1460, 2020, 2140, 2920, 4040, 4280, 7373, 7811, 10807, 14746, 15622, 21614, 29492, 31244, 36865, 39055, 43228, 54035, 58984, 62488, 73730, 78110, 86456, 108070, 147460, 156220, 216140, 294920, 312440, 432280, 788911, 1577822, 3155644, 3944555, 6311288, 7889110, 15778220, 31556440]

約数ペア:

[(1, 31556440), (2, 15778220), (4, 7889110), (5, 6311288), (8, 3944555), (10, 3155644), (20, 1577822), (40, 788911), (73, 432280), (101, 312440), (107, 294920), (146, 216140), (202, 156220), (214, 147460), (292, 108070), (365, 86456), (404, 78110), (428, 73730), (505, 62488), (535, 58984), (584, 54035), (730, 43228), (808, 39055), (856, 36865), (1010, 31244), (1070, 29492), (1460, 21614), (2020, 15622), (2140, 14746), (2920, 10807), (4040, 7811), (4280, 7373)]