51953560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 121564800

約数和(自身を除く): 69611240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 401, 410, 632, 790, 802, 820, 1580, 1604, 1640, 2005, 3160, 3208, 3239, 4010, 6478, 8020, 12956, 16040, 16195, 16441, 25912, 31679, 32390, 32882, 63358, 64780, 65764, 82205, 126716, 129560, 131528, 158395, 164410, 253432, 316790, 328820, 633580, 657640, 1267160, 1298839, 2597678, 5195356, 6494195, 10390712, 12988390, 25976780, 51953560]

約数ペア:

[(1, 51953560), (2, 25976780), (4, 12988390), (5, 10390712), (8, 6494195), (10, 5195356), (20, 2597678), (40, 1298839), (41, 1267160), (79, 657640), (82, 633580), (158, 328820), (164, 316790), (205, 253432), (316, 164410), (328, 158395), (395, 131528), (401, 129560), (410, 126716), (632, 82205), (790, 65764), (802, 64780), (820, 63358), (1580, 32882), (1604, 32390), (1640, 31679), (2005, 25912), (3160, 16441), (3208, 16195), (3239, 16040), (4010, 12956), (6478, 8020)]