66530000

素因数分解:

$2^4\times 5^4\times {\mathrm{6653}}^1$

素因数の和:6681

約数の個数: 50

約数和(自身を含む): 161099994

約数和(自身を除く): 94569994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 6653, 10000, 13306, 26612, 33265, 53224, 66530, 106448, 133060, 166325, 266120, 332650, 532240, 665300, 831625, 1330600, 1663250, 2661200, 3326500, 4158125, 6653000, 8316250, 13306000, 16632500, 33265000, 66530000]

約数ペア:

[(1, 66530000), (2, 33265000), (4, 16632500), (5, 13306000), (8, 8316250), (10, 6653000), (16, 4158125), (20, 3326500), (25, 2661200), (40, 1663250), (50, 1330600), (80, 831625), (100, 665300), (125, 532240), (200, 332650), (250, 266120), (400, 166325), (500, 133060), (625, 106448), (1000, 66530), (1250, 53224), (2000, 33265), (2500, 26612), (5000, 13306), (6653, 10000)]