61437500

素因数分解:

$2^2\times 5^6\times {\mathrm{983}}^1$

素因数の和:1017

約数の個数: 42

約数和(自身を含む): 134529528

約数和(自身を除く): 73092028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 983, 1250, 1966, 2500, 3125, 3932, 4915, 6250, 9830, 12500, 15625, 19660, 24575, 31250, 49150, 62500, 98300, 122875, 245750, 491500, 614375, 1228750, 2457500, 3071875, 6143750, 12287500, 15359375, 30718750, 61437500]

約数ペア:

[(1, 61437500), (2, 30718750), (4, 15359375), (5, 12287500), (10, 6143750), (20, 3071875), (25, 2457500), (50, 1228750), (100, 614375), (125, 491500), (250, 245750), (500, 122875), (625, 98300), (983, 62500), (1250, 49150), (1966, 31250), (2500, 24575), (3125, 19660), (3932, 15625), (4915, 12500), (6250, 9830)]