4940780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 11553024

約数和(自身を除く): 6612244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 613, 620, 806, 1226, 1612, 2015, 2452, 3065, 4030, 6130, 7969, 8060, 12260, 15938, 19003, 31876, 38006, 39845, 76012, 79690, 95015, 159380, 190030, 247039, 380060, 494078, 988156, 1235195, 2470390, 4940780]

約数ペア:

[(1, 4940780), (2, 2470390), (4, 1235195), (5, 988156), (10, 494078), (13, 380060), (20, 247039), (26, 190030), (31, 159380), (52, 95015), (62, 79690), (65, 76012), (124, 39845), (130, 38006), (155, 31876), (260, 19003), (310, 15938), (403, 12260), (613, 8060), (620, 7969), (806, 6130), (1226, 4030), (1612, 3065), (2015, 2452)]