74495720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143261}}^1$

素因数の和:143285

約数の個数: 32

約数和(自身を含む): 180510120

約数和(自身を除く): 106014400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143261, 286522, 573044, 716305, 1146088, 1432610, 1862393, 2865220, 3724786, 5730440, 7449572, 9311965, 14899144, 18623930, 37247860, 74495720]

約数ペア:

[(1, 74495720), (2, 37247860), (4, 18623930), (5, 14899144), (8, 9311965), (10, 7449572), (13, 5730440), (20, 3724786), (26, 2865220), (40, 1862393), (52, 1432610), (65, 1146088), (104, 716305), (130, 573044), (260, 286522), (520, 143261)]