25786420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 64512000

約数和(自身を除く): 38725580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 199, 209, 220, 310, 341, 380, 398, 418, 589, 620, 682, 796, 836, 995, 1045, 1178, 1364, 1705, 1990, 2090, 2189, 2356, 2945, 3410, 3781, 3980, 4180, 4378, 5890, 6169, 6479, 6820, 7562, 8756, 10945, 11780, 12338, 12958, 15124, 18905, 21890, 24676, 25916, 30845, 32395, 37810, 41591, 43780, 61690, 64790, 67859, 75620, 83182, 117211, 123380, 129580, 135718, 166364, 207955, 234422, 271436, 339295, 415910, 468844, 586055, 678590, 831820, 1172110, 1289321, 1357180, 2344220, 2578642, 5157284, 6446605, 12893210, 25786420]

約数ペア:

[(1, 25786420), (2, 12893210), (4, 6446605), (5, 5157284), (10, 2578642), (11, 2344220), (19, 1357180), (20, 1289321), (22, 1172110), (31, 831820), (38, 678590), (44, 586055), (55, 468844), (62, 415910), (76, 339295), (95, 271436), (110, 234422), (124, 207955), (155, 166364), (190, 135718), (199, 129580), (209, 123380), (220, 117211), (310, 83182), (341, 75620), (380, 67859), (398, 64790), (418, 61690), (589, 43780), (620, 41591), (682, 37810), (796, 32395), (836, 30845), (995, 25916), (1045, 24676), (1178, 21890), (1364, 18905), (1705, 15124), (1990, 12958), (2090, 12338), (2189, 11780), (2356, 10945), (2945, 8756), (3410, 7562), (3781, 6820), (3980, 6479), (4180, 6169), (4378, 5890)]