26287760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 64120896

約数和(自身を除く): 37833136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 107, 148, 166, 185, 214, 296, 332, 370, 415, 428, 535, 592, 664, 740, 830, 856, 1070, 1328, 1480, 1660, 1712, 2140, 2960, 3071, 3320, 3959, 4280, 6142, 6640, 7918, 8560, 8881, 12284, 15355, 15836, 17762, 19795, 24568, 30710, 31672, 35524, 39590, 44405, 49136, 61420, 63344, 71048, 79180, 88810, 122840, 142096, 158360, 177620, 245680, 316720, 328597, 355240, 657194, 710480, 1314388, 1642985, 2628776, 3285970, 5257552, 6571940, 13143880, 26287760]

約数ペア:

[(1, 26287760), (2, 13143880), (4, 6571940), (5, 5257552), (8, 3285970), (10, 2628776), (16, 1642985), (20, 1314388), (37, 710480), (40, 657194), (74, 355240), (80, 328597), (83, 316720), (107, 245680), (148, 177620), (166, 158360), (185, 142096), (214, 122840), (296, 88810), (332, 79180), (370, 71048), (415, 63344), (428, 61420), (535, 49136), (592, 44405), (664, 39590), (740, 35524), (830, 31672), (856, 30710), (1070, 24568), (1328, 19795), (1480, 17762), (1660, 15836), (1712, 15355), (2140, 12284), (2960, 8881), (3071, 8560), (3320, 7918), (3959, 6640), (4280, 6142)]