50530000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 100

約数和(自身を含む): 127059328

約数和(自身を除く): 76529328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 163, 200, 248, 250, 310, 326, 400, 496, 500, 620, 625, 652, 775, 815, 1000, 1240, 1250, 1304, 1550, 1630, 2000, 2480, 2500, 2608, 3100, 3260, 3875, 4075, 5000, 5053, 6200, 6520, 7750, 8150, 10000, 10106, 12400, 13040, 15500, 16300, 19375, 20212, 20375, 25265, 31000, 32600, 38750, 40424, 40750, 50530, 62000, 65200, 77500, 80848, 81500, 101060, 101875, 126325, 155000, 163000, 202120, 203750, 252650, 310000, 326000, 404240, 407500, 505300, 631625, 815000, 1010600, 1263250, 1630000, 2021200, 2526500, 3158125, 5053000, 6316250, 10106000, 12632500, 25265000, 50530000]

約数ペア:

[(1, 50530000), (2, 25265000), (4, 12632500), (5, 10106000), (8, 6316250), (10, 5053000), (16, 3158125), (20, 2526500), (25, 2021200), (31, 1630000), (40, 1263250), (50, 1010600), (62, 815000), (80, 631625), (100, 505300), (124, 407500), (125, 404240), (155, 326000), (163, 310000), (200, 252650), (248, 203750), (250, 202120), (310, 163000), (326, 155000), (400, 126325), (496, 101875), (500, 101060), (620, 81500), (625, 80848), (652, 77500), (775, 65200), (815, 62000), (1000, 50530), (1240, 40750), (1250, 40424), (1304, 38750), (1550, 32600), (1630, 31000), (2000, 25265), (2480, 20375), (2500, 20212), (2608, 19375), (3100, 16300), (3260, 15500), (3875, 13040), (4075, 12400), (5000, 10106), (5053, 10000), (6200, 8150), (6520, 7750)]