19620550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 39653712

約数和(自身を除く): 20033162

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 563, 697, 850, 1025, 1126, 1394, 2050, 2815, 3485, 5630, 6970, 9571, 14075, 17425, 19142, 23083, 28150, 34850, 46166, 47855, 95710, 115415, 230830, 239275, 392411, 478550, 577075, 784822, 1154150, 1962055, 3924110, 9810275, 19620550]

約数ペア:

[(1, 19620550), (2, 9810275), (5, 3924110), (10, 1962055), (17, 1154150), (25, 784822), (34, 577075), (41, 478550), (50, 392411), (82, 239275), (85, 230830), (170, 115415), (205, 95710), (410, 47855), (425, 46166), (563, 34850), (697, 28150), (850, 23083), (1025, 19142), (1126, 17425), (1394, 14075), (2050, 9571), (2815, 6970), (3485, 5630)]