55470640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 133562880

約数和(自身を除く): 78092240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 79, 80, 131, 134, 158, 262, 268, 316, 335, 395, 524, 536, 632, 655, 670, 790, 1048, 1072, 1264, 1310, 1340, 1580, 2096, 2620, 2680, 3160, 5240, 5293, 5360, 6320, 8777, 10349, 10480, 10586, 17554, 20698, 21172, 26465, 35108, 41396, 42344, 43885, 51745, 52930, 70216, 82792, 84688, 87770, 103490, 105860, 140432, 165584, 175540, 206980, 211720, 351080, 413960, 423440, 693383, 702160, 827920, 1386766, 2773532, 3466915, 5547064, 6933830, 11094128, 13867660, 27735320, 55470640]

約数ペア:

[(1, 55470640), (2, 27735320), (4, 13867660), (5, 11094128), (8, 6933830), (10, 5547064), (16, 3466915), (20, 2773532), (40, 1386766), (67, 827920), (79, 702160), (80, 693383), (131, 423440), (134, 413960), (158, 351080), (262, 211720), (268, 206980), (316, 175540), (335, 165584), (395, 140432), (524, 105860), (536, 103490), (632, 87770), (655, 84688), (670, 82792), (790, 70216), (1048, 52930), (1072, 51745), (1264, 43885), (1310, 42344), (1340, 41396), (1580, 35108), (2096, 26465), (2620, 21172), (2680, 20698), (3160, 17554), (5240, 10586), (5293, 10480), (5360, 10349), (6320, 8777)]