1021102520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1\times {\mathrm{673}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 2333711520

約数和(自身を除く): 1312609000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 457, 664, 673, 830, 914, 1346, 1660, 1828, 2285, 2692, 3320, 3365, 3656, 4570, 5384, 6730, 9140, 13460, 18280, 26920, 37931, 55859, 75862, 111718, 151724, 189655, 223436, 279295, 303448, 307561, 379310, 446872, 558590, 615122, 758620, 1117180, 1230244, 1517240, 1537805, 2234360, 2460488, 3075610, 6151220, 12302440, 25527563, 51055126, 102110252, 127637815, 204220504, 255275630, 510551260, 1021102520]

約数ペア:

[(1, 1021102520), (2, 510551260), (4, 255275630), (5, 204220504), (8, 127637815), (10, 102110252), (20, 51055126), (40, 25527563), (83, 12302440), (166, 6151220), (332, 3075610), (415, 2460488), (457, 2234360), (664, 1537805), (673, 1517240), (830, 1230244), (914, 1117180), (1346, 758620), (1660, 615122), (1828, 558590), (2285, 446872), (2692, 379310), (3320, 307561), (3365, 303448), (3656, 279295), (4570, 223436), (5384, 189655), (6730, 151724), (9140, 111718), (13460, 75862), (18280, 55859), (26920, 37931)]