30748360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18749}}^1$

素因数の和:18801

約数の個数: 32

約数和(自身を含む): 70875000

約数和(自身を除く): 40126640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18749, 37498, 74996, 93745, 149992, 187490, 374980, 749960, 768709, 1537418, 3074836, 3843545, 6149672, 7687090, 15374180, 30748360]

約数ペア:

[(1, 30748360), (2, 15374180), (4, 7687090), (5, 6149672), (8, 3843545), (10, 3074836), (20, 1537418), (40, 768709), (41, 749960), (82, 374980), (164, 187490), (205, 149992), (328, 93745), (410, 74996), (820, 37498), (1640, 18749)]