25956220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 56827008

約数和(自身を除く): 30870788

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 521, 530, 940, 1042, 1060, 2084, 2491, 2605, 4982, 5210, 9964, 10420, 12455, 24487, 24910, 27613, 48974, 49820, 55226, 97948, 110452, 122435, 138065, 244870, 276130, 489740, 552260, 1297811, 2595622, 5191244, 6489055, 12978110, 25956220]

約数ペア:

[(1, 25956220), (2, 12978110), (4, 6489055), (5, 5191244), (10, 2595622), (20, 1297811), (47, 552260), (53, 489740), (94, 276130), (106, 244870), (188, 138065), (212, 122435), (235, 110452), (265, 97948), (470, 55226), (521, 49820), (530, 48974), (940, 27613), (1042, 24910), (1060, 24487), (2084, 12455), (2491, 10420), (2605, 9964), (4982, 5210)]