25521990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2165

約数の個数: 64

約数和(自身を含む): 68124672

約数和(自身を除く): 42602682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2111, 2418, 4030, 4222, 6045, 6333, 10555, 12090, 12666, 21110, 27443, 31665, 54886, 63330, 65441, 82329, 130882, 137215, 164658, 196323, 274430, 327205, 392646, 411645, 654410, 823290, 850733, 981615, 1701466, 1963230, 2552199, 4253665, 5104398, 8507330, 12760995, 25521990]

約数ペア:

[(1, 25521990), (2, 12760995), (3, 8507330), (5, 5104398), (6, 4253665), (10, 2552199), (13, 1963230), (15, 1701466), (26, 981615), (30, 850733), (31, 823290), (39, 654410), (62, 411645), (65, 392646), (78, 327205), (93, 274430), (130, 196323), (155, 164658), (186, 137215), (195, 130882), (310, 82329), (390, 65441), (403, 63330), (465, 54886), (806, 31665), (930, 27443), (1209, 21110), (2015, 12666), (2111, 12090), (2418, 10555), (4030, 6333), (4222, 6045)]