2100098480

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 4943683584

約数和(自身を除く): 2843585104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 191, 334, 382, 668, 764, 823, 835, 955, 1336, 1528, 1646, 1670, 1910, 2672, 3056, 3292, 3340, 3820, 4115, 6584, 6680, 7640, 8230, 13168, 13360, 15280, 16460, 31897, 32920, 63794, 65840, 127588, 137441, 157193, 159485, 255176, 274882, 314386, 318970, 510352, 549764, 628772, 637940, 687205, 785965, 1099528, 1257544, 1275880, 1374410, 1571930, 2199056, 2515088, 2551760, 2748820, 3143860, 5497640, 6287720, 10995280, 12575440, 26251231, 52502462, 105004924, 131256155, 210009848, 262512310, 420019696, 525024620, 1050049240, 2100098480]

約数ペア:

[(1, 2100098480), (2, 1050049240), (4, 525024620), (5, 420019696), (8, 262512310), (10, 210009848), (16, 131256155), (20, 105004924), (40, 52502462), (80, 26251231), (167, 12575440), (191, 10995280), (334, 6287720), (382, 5497640), (668, 3143860), (764, 2748820), (823, 2551760), (835, 2515088), (955, 2199056), (1336, 1571930), (1528, 1374410), (1646, 1275880), (1670, 1257544), (1910, 1099528), (2672, 785965), (3056, 687205), (3292, 637940), (3340, 628772), (3820, 549764), (4115, 510352), (6584, 318970), (6680, 314386), (7640, 274882), (8230, 255176), (13168, 159485), (13360, 157193), (15280, 137441), (16460, 127588), (31897, 65840), (32920, 63794)]