13152020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 32430720

約数和(自身を除く): 19278700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2539, 2590, 5078, 5180, 10156, 12695, 17773, 25390, 35546, 50780, 71092, 88865, 93943, 177730, 187886, 355460, 375772, 469715, 657601, 939430, 1315202, 1878860, 2630404, 3288005, 6576010, 13152020]

約数ペア:

[(1, 13152020), (2, 6576010), (4, 3288005), (5, 2630404), (7, 1878860), (10, 1315202), (14, 939430), (20, 657601), (28, 469715), (35, 375772), (37, 355460), (70, 187886), (74, 177730), (140, 93943), (148, 88865), (185, 71092), (259, 50780), (370, 35546), (518, 25390), (740, 17773), (1036, 12695), (1295, 10156), (2539, 5180), (2590, 5078)]