25370510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 28197490

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 122, 190, 199, 209, 305, 398, 418, 610, 671, 995, 1045, 1159, 1342, 1990, 2090, 2189, 2318, 3355, 3781, 4378, 5795, 6710, 7562, 10945, 11590, 12139, 12749, 18905, 21890, 24278, 25498, 37810, 41591, 60695, 63745, 83182, 121390, 127490, 133529, 207955, 230641, 267058, 415910, 461282, 667645, 1153205, 1335290, 2306410, 2537051, 5074102, 12685255, 25370510]

約数ペア:

[(1, 25370510), (2, 12685255), (5, 5074102), (10, 2537051), (11, 2306410), (19, 1335290), (22, 1153205), (38, 667645), (55, 461282), (61, 415910), (95, 267058), (110, 230641), (122, 207955), (190, 133529), (199, 127490), (209, 121390), (305, 83182), (398, 63745), (418, 60695), (610, 41591), (671, 37810), (995, 25498), (1045, 24278), (1159, 21890), (1342, 18905), (1990, 12749), (2090, 12139), (2189, 11590), (2318, 10945), (3355, 7562), (3781, 6710), (4378, 5795)]