88188880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4463}}^1$

素因数の和:4508

約数の個数: 80

約数和(自身を含む): 232485120

約数和(自身を除く): 144296240

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, 2470, 3952, 4463, 4940, 8926, 9880, 17852, 19760, 22315, 35704, 44630, 58019, 71408, 84797, 89260, 116038, 169594, 178520, 232076, 290095, 339188, 357040, 423985, 464152, 580190, 678376, 847970, 928304, 1102361, 1160380, 1356752, 1695940, 2204722, 2320760, 3391880, 4409444, 4641520, 5511805, 6783760, 8818888, 11023610, 17637776, 22047220, 44094440, 88188880]

約数ペア:

[(1, 88188880), (2, 44094440), (4, 22047220), (5, 17637776), (8, 11023610), (10, 8818888), (13, 6783760), (16, 5511805), (19, 4641520), (20, 4409444), (26, 3391880), (38, 2320760), (40, 2204722), (52, 1695940), (65, 1356752), (76, 1160380), (80, 1102361), (95, 928304), (104, 847970), (130, 678376), (152, 580190), (190, 464152), (208, 423985), (247, 357040), (260, 339188), (304, 290095), (380, 232076), (494, 178520), (520, 169594), (760, 116038), (988, 89260), (1040, 84797), (1235, 71408), (1520, 58019), (1976, 44630), (2470, 35704), (3952, 22315), (4463, 19760), (4940, 17852), (8926, 9880)]