12556743940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{195527}}^1$

素因数の和:195581

約数の個数: 72

約数和(自身を含む): 30056564160

約数和(自身を除く): 17499820220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3211, 3380, 4940, 6422, 12844, 16055, 32110, 64220, 195527, 391054, 782108, 977635, 1955270, 2541851, 3715013, 3910540, 5083702, 7430026, 10167404, 12709255, 14860052, 18575065, 25418510, 33044063, 37150130, 48295169, 50837020, 66088126, 74300260, 96590338, 132176252, 165220315, 193180676, 241475845, 330440630, 482951690, 627837197, 660881260, 965903380, 1255674394, 2511348788, 3139185985, 6278371970, 12556743940]

約数ペア:

[(1, 12556743940), (2, 6278371970), (4, 3139185985), (5, 2511348788), (10, 1255674394), (13, 965903380), (19, 660881260), (20, 627837197), (26, 482951690), (38, 330440630), (52, 241475845), (65, 193180676), (76, 165220315), (95, 132176252), (130, 96590338), (169, 74300260), (190, 66088126), (247, 50837020), (260, 48295169), (338, 37150130), (380, 33044063), (494, 25418510), (676, 18575065), (845, 14860052), (988, 12709255), (1235, 10167404), (1690, 7430026), (2470, 5083702), (3211, 3910540), (3380, 3715013), (4940, 2541851), (6422, 1955270), (12844, 977635), (16055, 782108), (32110, 391054), (64220, 195527)]