82315540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1289}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 180311040

約数和(自身を除く): 97995500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 1289, 2060, 2578, 3193, 5156, 6386, 6445, 12772, 12890, 15965, 25780, 31930, 39959, 63860, 79918, 132767, 159836, 199795, 265534, 399590, 531068, 663835, 799180, 1327670, 2655340, 4115777, 8231554, 16463108, 20578885, 41157770, 82315540]

約数ペア:

[(1, 82315540), (2, 41157770), (4, 20578885), (5, 16463108), (10, 8231554), (20, 4115777), (31, 2655340), (62, 1327670), (103, 799180), (124, 663835), (155, 531068), (206, 399590), (310, 265534), (412, 199795), (515, 159836), (620, 132767), (1030, 79918), (1289, 63860), (2060, 39959), (2578, 31930), (3193, 25780), (5156, 15965), (6386, 12890), (6445, 12772)]