51020320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 96

約数和(自身を含む): 136745280

約数和(自身を除く): 85724960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1291, 1520, 1976, 2080, 2470, 2582, 3040, 3952, 4940, 5164, 6455, 7904, 9880, 10328, 12910, 16783, 19760, 20656, 24529, 25820, 33566, 39520, 41312, 49058, 51640, 67132, 83915, 98116, 103280, 122645, 134264, 167830, 196232, 206560, 245290, 268528, 318877, 335660, 392464, 490580, 537056, 637754, 671320, 784928, 981160, 1275508, 1342640, 1594385, 1962320, 2551016, 2685280, 3188770, 3924640, 5102032, 6377540, 10204064, 12755080, 25510160, 51020320]

約数ペア:

[(1, 51020320), (2, 25510160), (4, 12755080), (5, 10204064), (8, 6377540), (10, 5102032), (13, 3924640), (16, 3188770), (19, 2685280), (20, 2551016), (26, 1962320), (32, 1594385), (38, 1342640), (40, 1275508), (52, 981160), (65, 784928), (76, 671320), (80, 637754), (95, 537056), (104, 490580), (130, 392464), (152, 335660), (160, 318877), (190, 268528), (208, 245290), (247, 206560), (260, 196232), (304, 167830), (380, 134264), (416, 122645), (494, 103280), (520, 98116), (608, 83915), (760, 67132), (988, 51640), (1040, 49058), (1235, 41312), (1291, 39520), (1520, 33566), (1976, 25820), (2080, 24529), (2470, 20656), (2582, 19760), (3040, 16783), (3952, 12910), (4940, 10328), (5164, 9880), (6455, 7904)]