77480780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9613}}^1$

素因数の和:9666

約数の個数: 48

約数和(自身を含む): 180897024

約数和(自身を除く): 103416244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9613, 19226, 38452, 48065, 96130, 124969, 192260, 249938, 298003, 499876, 596006, 624845, 1192012, 1249690, 1490015, 2499380, 2980030, 3874039, 5960060, 7748078, 15496156, 19370195, 38740390, 77480780]

約数ペア:

[(1, 77480780), (2, 38740390), (4, 19370195), (5, 15496156), (10, 7748078), (13, 5960060), (20, 3874039), (26, 2980030), (31, 2499380), (52, 1490015), (62, 1249690), (65, 1192012), (124, 624845), (130, 596006), (155, 499876), (260, 298003), (310, 249938), (403, 192260), (620, 124969), (806, 96130), (1612, 48065), (2015, 38452), (4030, 19226), (8060, 9613)]