13004500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 16348460

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 839, 1550, 1678, 3100, 3356, 3875, 4195, 7750, 8390, 15500, 16780, 20975, 26009, 41950, 52018, 83900, 104036, 104875, 130045, 209750, 260090, 419500, 520180, 650225, 1300450, 2600900, 3251125, 6502250, 13004500]

約数ペア:

[(1, 13004500), (2, 6502250), (4, 3251125), (5, 2600900), (10, 1300450), (20, 650225), (25, 520180), (31, 419500), (50, 260090), (62, 209750), (100, 130045), (124, 104875), (125, 104036), (155, 83900), (250, 52018), (310, 41950), (500, 26009), (620, 20975), (775, 16780), (839, 15500), (1550, 8390), (1678, 7750), (3100, 4195), (3356, 3875)]