72131800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27743}}^1$

素因数の和:27772

約数の個数: 48

約数和(自身を含む): 180613440

約数和(自身を除く): 108481640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 27743, 55486, 110972, 138715, 221944, 277430, 360659, 554860, 693575, 721318, 1109720, 1387150, 1442636, 1803295, 2774300, 2885272, 3606590, 5548600, 7213180, 9016475, 14426360, 18032950, 36065900, 72131800]

約数ペア:

[(1, 72131800), (2, 36065900), (4, 18032950), (5, 14426360), (8, 9016475), (10, 7213180), (13, 5548600), (20, 3606590), (25, 2885272), (26, 2774300), (40, 1803295), (50, 1442636), (52, 1387150), (65, 1109720), (100, 721318), (104, 693575), (130, 554860), (200, 360659), (260, 277430), (325, 221944), (520, 138715), (650, 110972), (1300, 55486), (2600, 27743)]