2378619920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{725189}}^1$

素因数の和:725243

約数の個数: 40

約数和(自身を含む): 5665184280

約数和(自身を除く): 3286564360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 725189, 1450378, 2900756, 3625945, 5801512, 7251890, 11603024, 14503780, 29007560, 29732749, 58015120, 59465498, 118930996, 148663745, 237861992, 297327490, 475723984, 594654980, 1189309960, 2378619920]

約数ペア:

[(1, 2378619920), (2, 1189309960), (4, 594654980), (5, 475723984), (8, 297327490), (10, 237861992), (16, 148663745), (20, 118930996), (40, 59465498), (41, 58015120), (80, 29732749), (82, 29007560), (164, 14503780), (205, 11603024), (328, 7251890), (410, 5801512), (656, 3625945), (820, 2900756), (1640, 1450378), (3280, 725189)]