38893660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 91125216

約数和(自身を除く): 52231556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 311, 338, 370, 481, 622, 676, 740, 845, 962, 1244, 1555, 1690, 1924, 2405, 3110, 3380, 4043, 4810, 6220, 6253, 8086, 9620, 11507, 12506, 16172, 20215, 23014, 25012, 31265, 40430, 46028, 52559, 57535, 62530, 80860, 105118, 115070, 125060, 149591, 210236, 230140, 262795, 299182, 525590, 598364, 747955, 1051180, 1495910, 1944683, 2991820, 3889366, 7778732, 9723415, 19446830, 38893660]

約数ペア:

[(1, 38893660), (2, 19446830), (4, 9723415), (5, 7778732), (10, 3889366), (13, 2991820), (20, 1944683), (26, 1495910), (37, 1051180), (52, 747955), (65, 598364), (74, 525590), (130, 299182), (148, 262795), (169, 230140), (185, 210236), (260, 149591), (311, 125060), (338, 115070), (370, 105118), (481, 80860), (622, 62530), (676, 57535), (740, 52559), (845, 46028), (962, 40430), (1244, 31265), (1555, 25012), (1690, 23014), (1924, 20215), (2405, 16172), (3110, 12506), (3380, 11507), (4043, 9620), (4810, 8086), (6220, 6253)]