48747920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2512

約数の個数: 80

約数和(自身を含む): 128533440

約数和(自身を除く): 79785520

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, 2467, 2470, 3952, 4934, 4940, 9868, 9880, 12335, 19736, 19760, 24670, 32071, 39472, 46873, 49340, 64142, 93746, 98680, 128284, 160355, 187492, 197360, 234365, 256568, 320710, 374984, 468730, 513136, 609349, 641420, 749968, 937460, 1218698, 1282840, 1874920, 2437396, 2565680, 3046745, 3749840, 4874792, 6093490, 9749584, 12186980, 24373960, 48747920]

約数ペア:

[(1, 48747920), (2, 24373960), (4, 12186980), (5, 9749584), (8, 6093490), (10, 4874792), (13, 3749840), (16, 3046745), (19, 2565680), (20, 2437396), (26, 1874920), (38, 1282840), (40, 1218698), (52, 937460), (65, 749968), (76, 641420), (80, 609349), (95, 513136), (104, 468730), (130, 374984), (152, 320710), (190, 256568), (208, 234365), (247, 197360), (260, 187492), (304, 160355), (380, 128284), (494, 98680), (520, 93746), (760, 64142), (988, 49340), (1040, 46873), (1235, 39472), (1520, 32071), (1976, 24670), (2467, 19760), (2470, 19736), (3952, 12335), (4934, 9880), (4940, 9868)]