8101540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 17902080

約数和(自身を除く): 9800540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 179, 292, 310, 358, 365, 620, 716, 730, 895, 1460, 1790, 2263, 3580, 4526, 5549, 9052, 11098, 11315, 13067, 22196, 22630, 26134, 27745, 45260, 52268, 55490, 65335, 110980, 130670, 261340, 405077, 810154, 1620308, 2025385, 4050770, 8101540]

約数ペア:

[(1, 8101540), (2, 4050770), (4, 2025385), (5, 1620308), (10, 810154), (20, 405077), (31, 261340), (62, 130670), (73, 110980), (124, 65335), (146, 55490), (155, 52268), (179, 45260), (292, 27745), (310, 26134), (358, 22630), (365, 22196), (620, 13067), (716, 11315), (730, 11098), (895, 9052), (1460, 5549), (1790, 4526), (2263, 3580)]