26145520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 38850320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 167, 190, 206, 304, 334, 380, 412, 515, 668, 760, 824, 835, 1030, 1336, 1520, 1648, 1670, 1957, 2060, 2672, 3173, 3340, 3914, 4120, 6346, 6680, 7828, 8240, 9785, 12692, 13360, 15656, 15865, 17201, 19570, 25384, 31312, 31730, 34402, 39140, 50768, 63460, 68804, 78280, 86005, 126920, 137608, 156560, 172010, 253840, 275216, 326819, 344020, 653638, 688040, 1307276, 1376080, 1634095, 2614552, 3268190, 5229104, 6536380, 13072760, 26145520]

約数ペア:

[(1, 26145520), (2, 13072760), (4, 6536380), (5, 5229104), (8, 3268190), (10, 2614552), (16, 1634095), (19, 1376080), (20, 1307276), (38, 688040), (40, 653638), (76, 344020), (80, 326819), (95, 275216), (103, 253840), (152, 172010), (167, 156560), (190, 137608), (206, 126920), (304, 86005), (334, 78280), (380, 68804), (412, 63460), (515, 50768), (668, 39140), (760, 34402), (824, 31730), (835, 31312), (1030, 25384), (1336, 19570), (1520, 17201), (1648, 15865), (1670, 15656), (1957, 13360), (2060, 12692), (2672, 9785), (3173, 8240), (3340, 7828), (3914, 6680), (4120, 6346)]