102040640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 112

約数和(自身を含む): 275661120

約数和(自身を除く): 173620480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1291, 1520, 1976, 2080, 2470, 2582, 3040, 3952, 4160, 4940, 5164, 6080, 6455, 7904, 9880, 10328, 12910, 15808, 16783, 19760, 20656, 24529, 25820, 33566, 39520, 41312, 49058, 51640, 67132, 79040, 82624, 83915, 98116, 103280, 122645, 134264, 167830, 196232, 206560, 245290, 268528, 318877, 335660, 392464, 413120, 490580, 537056, 637754, 671320, 784928, 981160, 1074112, 1275508, 1342640, 1569856, 1594385, 1962320, 2551016, 2685280, 3188770, 3924640, 5102032, 5370560, 6377540, 7849280, 10204064, 12755080, 20408128, 25510160, 51020320, 102040640]

約数ペア:

[(1, 102040640), (2, 51020320), (4, 25510160), (5, 20408128), (8, 12755080), (10, 10204064), (13, 7849280), (16, 6377540), (19, 5370560), (20, 5102032), (26, 3924640), (32, 3188770), (38, 2685280), (40, 2551016), (52, 1962320), (64, 1594385), (65, 1569856), (76, 1342640), (80, 1275508), (95, 1074112), (104, 981160), (130, 784928), (152, 671320), (160, 637754), (190, 537056), (208, 490580), (247, 413120), (260, 392464), (304, 335660), (320, 318877), (380, 268528), (416, 245290), (494, 206560), (520, 196232), (608, 167830), (760, 134264), (832, 122645), (988, 103280), (1040, 98116), (1216, 83915), (1235, 82624), (1291, 79040), (1520, 67132), (1976, 51640), (2080, 49058), (2470, 41312), (2582, 39520), (3040, 33566), (3952, 25820), (4160, 24529), (4940, 20656), (5164, 19760), (6080, 16783), (6455, 15808), (7904, 12910), (9880, 10328)]