25387544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 60023040

約数和(自身を除く): 34635496

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 811, 1118, 1204, 1622, 2236, 2408, 3244, 3913, 4472, 5677, 6488, 7826, 10543, 11354, 15652, 21086, 22708, 31304, 34873, 42172, 45416, 69746, 73801, 84344, 139492, 147602, 244111, 278984, 295204, 453349, 488222, 590408, 906698, 976444, 1813396, 1952888, 3173443, 3626792, 6346886, 12693772, 25387544]

約数ペア:

[(1, 25387544), (2, 12693772), (4, 6346886), (7, 3626792), (8, 3173443), (13, 1952888), (14, 1813396), (26, 976444), (28, 906698), (43, 590408), (52, 488222), (56, 453349), (86, 295204), (91, 278984), (104, 244111), (172, 147602), (182, 139492), (301, 84344), (344, 73801), (364, 69746), (559, 45416), (602, 42172), (728, 34873), (811, 31304), (1118, 22708), (1204, 21086), (1622, 15652), (2236, 11354), (2408, 10543), (3244, 7826), (3913, 6488), (4472, 5677)]