856136560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{201919}}^1$

素因数の和:201985

約数の個数: 40

約数和(自身を含む): 2028084480

約数和(自身を除く): 1171947920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 201919, 403838, 807676, 1009595, 1615352, 2019190, 3230704, 4038380, 8076760, 10701707, 16153520, 21403414, 42806828, 53508535, 85613656, 107017070, 171227312, 214034140, 428068280, 856136560]

約数ペア:

[(1, 856136560), (2, 428068280), (4, 214034140), (5, 171227312), (8, 107017070), (10, 85613656), (16, 53508535), (20, 42806828), (40, 21403414), (53, 16153520), (80, 10701707), (106, 8076760), (212, 4038380), (265, 3230704), (424, 2019190), (530, 1615352), (848, 1009595), (1060, 807676), (2120, 403838), (4240, 201919)]