25440780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2539}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 71688960

約数和(自身を除く): 46248180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2505, 2539, 3340, 5010, 5078, 7617, 10020, 10156, 12695, 15234, 25390, 30468, 38085, 50780, 76170, 152340, 424013, 848026, 1272039, 1696052, 2120065, 2544078, 4240130, 5088156, 6360195, 8480260, 12720390, 25440780]

約数ペア:

[(1, 25440780), (2, 12720390), (3, 8480260), (4, 6360195), (5, 5088156), (6, 4240130), (10, 2544078), (12, 2120065), (15, 1696052), (20, 1272039), (30, 848026), (60, 424013), (167, 152340), (334, 76170), (501, 50780), (668, 38085), (835, 30468), (1002, 25390), (1670, 15234), (2004, 12695), (2505, 10156), (2539, 10020), (3340, 7617), (5010, 5078)]