56984720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 144001200

約数和(自身を除く): 87016480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 349, 520, 628, 698, 785, 1040, 1256, 1396, 1570, 1745, 2041, 2512, 2792, 3140, 3490, 4082, 4537, 5584, 6280, 6980, 8164, 9074, 10205, 12560, 13960, 16328, 18148, 20410, 22685, 27920, 32656, 36296, 40820, 45370, 54793, 72592, 81640, 90740, 109586, 163280, 181480, 219172, 273965, 362960, 438344, 547930, 712309, 876688, 1095860, 1424618, 2191720, 2849236, 3561545, 4383440, 5698472, 7123090, 11396944, 14246180, 28492360, 56984720]

約数ペア:

[(1, 56984720), (2, 28492360), (4, 14246180), (5, 11396944), (8, 7123090), (10, 5698472), (13, 4383440), (16, 3561545), (20, 2849236), (26, 2191720), (40, 1424618), (52, 1095860), (65, 876688), (80, 712309), (104, 547930), (130, 438344), (157, 362960), (208, 273965), (260, 219172), (314, 181480), (349, 163280), (520, 109586), (628, 90740), (698, 81640), (785, 72592), (1040, 54793), (1256, 45370), (1396, 40820), (1570, 36296), (1745, 32656), (2041, 27920), (2512, 22685), (2792, 20410), (3140, 18148), (3490, 16328), (4082, 13960), (4537, 12560), (5584, 10205), (6280, 9074), (6980, 8164)]