387630440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{36847}}^1$

素因数の和:37121

約数の個数: 32

約数和(自身を含む): 875508480

約数和(自身を除く): 487878040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 36847, 73694, 147388, 184235, 294776, 368470, 736940, 1473880, 9690761, 19381522, 38763044, 48453805, 77526088, 96907610, 193815220, 387630440]

約数ペア:

[(1, 387630440), (2, 193815220), (4, 96907610), (5, 77526088), (8, 48453805), (10, 38763044), (20, 19381522), (40, 9690761), (263, 1473880), (526, 736940), (1052, 368470), (1315, 294776), (2104, 184235), (2630, 147388), (5260, 73694), (10520, 36847)]