155000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1$

素因数の和:57

約数の個数: 40

約数和(自身を含む): 374880

約数和(自身を除く): 219880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1550, 2500, 3100, 3875, 5000, 6200, 7750, 15500, 19375, 31000, 38750, 77500, 155000]

約数ペア:

[(1, 155000), (2, 77500), (4, 38750), (5, 31000), (8, 19375), (10, 15500), (20, 7750), (25, 6200), (31, 5000), (40, 3875), (50, 3100), (62, 2500), (100, 1550), (124, 1250), (125, 1240), (155, 1000), (200, 775), (248, 625), (250, 620), (310, 500)]