40764880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2108

約数の個数: 80

約数和(自身を含む): 107493120

約数和(自身を除く): 66728240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2063, 2470, 3952, 4126, 4940, 8252, 9880, 10315, 16504, 19760, 20630, 26819, 33008, 39197, 41260, 53638, 78394, 82520, 107276, 134095, 156788, 165040, 195985, 214552, 268190, 313576, 391970, 429104, 509561, 536380, 627152, 783940, 1019122, 1072760, 1567880, 2038244, 2145520, 2547805, 3135760, 4076488, 5095610, 8152976, 10191220, 20382440, 40764880]

約数ペア:

[(1, 40764880), (2, 20382440), (4, 10191220), (5, 8152976), (8, 5095610), (10, 4076488), (13, 3135760), (16, 2547805), (19, 2145520), (20, 2038244), (26, 1567880), (38, 1072760), (40, 1019122), (52, 783940), (65, 627152), (76, 536380), (80, 509561), (95, 429104), (104, 391970), (130, 313576), (152, 268190), (190, 214552), (208, 195985), (247, 165040), (260, 156788), (304, 134095), (380, 107276), (494, 82520), (520, 78394), (760, 53638), (988, 41260), (1040, 39197), (1235, 33008), (1520, 26819), (1976, 20630), (2063, 19760), (2470, 16504), (3952, 10315), (4126, 9880), (4940, 8252)]