25324060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 55248480

約数和(自身を除く): 29924420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 347, 356, 410, 445, 694, 820, 890, 1388, 1735, 1780, 3470, 3649, 6940, 7298, 14227, 14596, 18245, 28454, 30883, 36490, 56908, 61766, 71135, 72980, 123532, 142270, 154415, 284540, 308830, 617660, 1266203, 2532406, 5064812, 6331015, 12662030, 25324060]

約数ペア:

[(1, 25324060), (2, 12662030), (4, 6331015), (5, 5064812), (10, 2532406), (20, 1266203), (41, 617660), (82, 308830), (89, 284540), (164, 154415), (178, 142270), (205, 123532), (347, 72980), (356, 71135), (410, 61766), (445, 56908), (694, 36490), (820, 30883), (890, 28454), (1388, 18245), (1735, 14596), (1780, 14227), (3470, 7298), (3649, 6940)]