1626848980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{1861}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 3458180880

約数和(自身を除く): 1831331900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 401, 436, 545, 802, 1090, 1604, 1861, 2005, 2180, 3722, 4010, 7444, 8020, 9305, 18610, 37220, 43709, 87418, 174836, 202849, 218545, 405698, 437090, 746261, 811396, 874180, 1014245, 1492522, 2028490, 2985044, 3731305, 4056980, 7462610, 14925220, 81342449, 162684898, 325369796, 406712245, 813424490, 1626848980]

約数ペア:

[(1, 1626848980), (2, 813424490), (4, 406712245), (5, 325369796), (10, 162684898), (20, 81342449), (109, 14925220), (218, 7462610), (401, 4056980), (436, 3731305), (545, 2985044), (802, 2028490), (1090, 1492522), (1604, 1014245), (1861, 874180), (2005, 811396), (2180, 746261), (3722, 437090), (4010, 405698), (7444, 218545), (8020, 202849), (9305, 174836), (18610, 87418), (37220, 43709)]