61515220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1201}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 139941648

約数和(自身を除く): 78426428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1201, 1970, 2402, 2561, 3940, 4804, 5122, 6005, 10244, 12010, 12805, 15613, 24020, 25610, 31226, 51220, 62452, 78065, 156130, 236597, 312260, 473194, 946388, 1182985, 2365970, 3075761, 4731940, 6151522, 12303044, 15378805, 30757610, 61515220]

約数ペア:

[(1, 61515220), (2, 30757610), (4, 15378805), (5, 12303044), (10, 6151522), (13, 4731940), (20, 3075761), (26, 2365970), (52, 1182985), (65, 946388), (130, 473194), (197, 312260), (260, 236597), (394, 156130), (788, 78065), (985, 62452), (1201, 51220), (1970, 31226), (2402, 25610), (2561, 24020), (3940, 15613), (4804, 12805), (5122, 12010), (6005, 10244)]