20080416

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 56548800

約数和(自身を除く): 36468384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 101, 109, 114, 152, 202, 218, 228, 303, 304, 327, 404, 436, 456, 606, 608, 654, 808, 872, 912, 1212, 1308, 1616, 1744, 1824, 1919, 2071, 2424, 2616, 3232, 3488, 3838, 4142, 4848, 5232, 5757, 6213, 7676, 8284, 9696, 10464, 11009, 11514, 12426, 15352, 16568, 22018, 23028, 24852, 30704, 33027, 33136, 44036, 46056, 49704, 61408, 66054, 66272, 88072, 92112, 99408, 132108, 176144, 184224, 198816, 209171, 264216, 352288, 418342, 528432, 627513, 836684, 1056864, 1255026, 1673368, 2510052, 3346736, 5020104, 6693472, 10040208, 20080416]

約数ペア:

[(1, 20080416), (2, 10040208), (3, 6693472), (4, 5020104), (6, 3346736), (8, 2510052), (12, 1673368), (16, 1255026), (19, 1056864), (24, 836684), (32, 627513), (38, 528432), (48, 418342), (57, 352288), (76, 264216), (96, 209171), (101, 198816), (109, 184224), (114, 176144), (152, 132108), (202, 99408), (218, 92112), (228, 88072), (303, 66272), (304, 66054), (327, 61408), (404, 49704), (436, 46056), (456, 44036), (606, 33136), (608, 33027), (654, 30704), (808, 24852), (872, 23028), (912, 22018), (1212, 16568), (1308, 15352), (1616, 12426), (1744, 11514), (1824, 11009), (1919, 10464), (2071, 9696), (2424, 8284), (2616, 7676), (3232, 6213), (3488, 5757), (3838, 5232), (4142, 4848)]