30303920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9239}}^1$

素因数の和:9293

約数の個数: 40

約数和(自身を含む): 72182880

約数和(自身を除く): 41878960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9239, 18478, 36956, 46195, 73912, 92390, 147824, 184780, 369560, 378799, 739120, 757598, 1515196, 1893995, 3030392, 3787990, 6060784, 7575980, 15151960, 30303920]

約数ペア:

[(1, 30303920), (2, 15151960), (4, 7575980), (5, 6060784), (8, 3787990), (10, 3030392), (16, 1893995), (20, 1515196), (40, 757598), (41, 739120), (80, 378799), (82, 369560), (164, 184780), (205, 147824), (328, 92390), (410, 73912), (656, 46195), (820, 36956), (1640, 18478), (3280, 9239)]