631736120

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{9743}}^1$

素因数の和:11375

約数の個数: 32

約数和(自身を含む): 1422429120

約数和(自身を除く): 790693000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 9743, 12968, 16210, 19486, 32420, 38972, 48715, 64840, 77944, 97430, 194860, 389720, 15793403, 31586806, 63173612, 78967015, 126347224, 157934030, 315868060, 631736120]

約数ペア:

[(1, 631736120), (2, 315868060), (4, 157934030), (5, 126347224), (8, 78967015), (10, 63173612), (20, 31586806), (40, 15793403), (1621, 389720), (3242, 194860), (6484, 97430), (8105, 77944), (9743, 64840), (12968, 48715), (16210, 38972), (19486, 32420)]