2018943200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{81409}}^1$

素因数の和:81460

約数の個数: 72

約数和(自身を含む): 5087799360

約数和(自身を除く): 3068856160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 12400, 24800, 81409, 162818, 325636, 407045, 651272, 814090, 1302544, 1628180, 2035225, 2523679, 2605088, 3256360, 4070450, 5047358, 6512720, 8140900, 10094716, 12618395, 13025440, 16281800, 20189432, 25236790, 32563600, 40378864, 50473580, 63091975, 65127200, 80757728, 100947160, 126183950, 201894320, 252367900, 403788640, 504735800, 1009471600, 2018943200]

約数ペア:

[(1, 2018943200), (2, 1009471600), (4, 504735800), (5, 403788640), (8, 252367900), (10, 201894320), (16, 126183950), (20, 100947160), (25, 80757728), (31, 65127200), (32, 63091975), (40, 50473580), (50, 40378864), (62, 32563600), (80, 25236790), (100, 20189432), (124, 16281800), (155, 13025440), (160, 12618395), (200, 10094716), (248, 8140900), (310, 6512720), (400, 5047358), (496, 4070450), (620, 3256360), (775, 2605088), (800, 2523679), (992, 2035225), (1240, 1628180), (1550, 1302544), (2480, 814090), (3100, 651272), (4960, 407045), (6200, 325636), (12400, 162818), (24800, 81409)]