25280620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 29877140

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 127, 148, 185, 254, 269, 370, 508, 538, 635, 740, 1076, 1270, 1345, 2540, 2690, 4699, 5380, 9398, 9953, 18796, 19906, 23495, 34163, 39812, 46990, 49765, 68326, 93980, 99530, 136652, 170815, 199060, 341630, 683260, 1264031, 2528062, 5056124, 6320155, 12640310, 25280620]

約数ペア:

[(1, 25280620), (2, 12640310), (4, 6320155), (5, 5056124), (10, 2528062), (20, 1264031), (37, 683260), (74, 341630), (127, 199060), (148, 170815), (185, 136652), (254, 99530), (269, 93980), (370, 68326), (508, 49765), (538, 46990), (635, 39812), (740, 34163), (1076, 23495), (1270, 19906), (1345, 18796), (2540, 9953), (2690, 9398), (4699, 5380)]