9954278750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1543}}^1$

素因数の和:1975

約数の個数: 80

約数和(自身を含む): 20157222624

約数和(自身を除く): 10202943874

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 397, 625, 650, 794, 1250, 1543, 1625, 1985, 3086, 3250, 3970, 5161, 7715, 8125, 9925, 10322, 15430, 16250, 19850, 20059, 25805, 38575, 40118, 49625, 51610, 77150, 99250, 100295, 129025, 192875, 200590, 248125, 258050, 385750, 496250, 501475, 612571, 645125, 964375, 1002950, 1225142, 1290250, 1928750, 2507375, 3062855, 3225625, 5014750, 6125710, 6451250, 7963423, 12536875, 15314275, 15926846, 25073750, 30628550, 39817115, 76571375, 79634230, 153142750, 199085575, 382856875, 398171150, 765713750, 995427875, 1990855750, 4977139375, 9954278750]

約数ペア:

[(1, 9954278750), (2, 4977139375), (5, 1990855750), (10, 995427875), (13, 765713750), (25, 398171150), (26, 382856875), (50, 199085575), (65, 153142750), (125, 79634230), (130, 76571375), (250, 39817115), (325, 30628550), (397, 25073750), (625, 15926846), (650, 15314275), (794, 12536875), (1250, 7963423), (1543, 6451250), (1625, 6125710), (1985, 5014750), (3086, 3225625), (3250, 3062855), (3970, 2507375), (5161, 1928750), (7715, 1290250), (8125, 1225142), (9925, 1002950), (10322, 964375), (15430, 645125), (16250, 612571), (19850, 501475), (20059, 496250), (25805, 385750), (38575, 258050), (40118, 248125), (49625, 200590), (51610, 192875), (77150, 129025), (99250, 100295)]