2647840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 7197120

約数和(自身を除く): 4549280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 67, 76, 80, 95, 104, 130, 134, 152, 160, 190, 208, 247, 260, 268, 304, 335, 380, 416, 494, 520, 536, 608, 670, 760, 871, 988, 1040, 1072, 1235, 1273, 1340, 1520, 1742, 1976, 2080, 2144, 2470, 2546, 2680, 3040, 3484, 3952, 4355, 4940, 5092, 5360, 6365, 6968, 7904, 8710, 9880, 10184, 10720, 12730, 13936, 16549, 17420, 19760, 20368, 25460, 27872, 33098, 34840, 39520, 40736, 50920, 66196, 69680, 82745, 101840, 132392, 139360, 165490, 203680, 264784, 330980, 529568, 661960, 1323920, 2647840]

約数ペア:

[(1, 2647840), (2, 1323920), (4, 661960), (5, 529568), (8, 330980), (10, 264784), (13, 203680), (16, 165490), (19, 139360), (20, 132392), (26, 101840), (32, 82745), (38, 69680), (40, 66196), (52, 50920), (65, 40736), (67, 39520), (76, 34840), (80, 33098), (95, 27872), (104, 25460), (130, 20368), (134, 19760), (152, 17420), (160, 16549), (190, 13936), (208, 12730), (247, 10720), (260, 10184), (268, 9880), (304, 8710), (335, 7904), (380, 6968), (416, 6365), (494, 5360), (520, 5092), (536, 4940), (608, 4355), (670, 3952), (760, 3484), (871, 3040), (988, 2680), (1040, 2546), (1072, 2470), (1235, 2144), (1273, 2080), (1340, 1976), (1520, 1742)]