12130820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 28622664

約数和(自身を除く): 16491844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 97, 130, 148, 169, 185, 194, 260, 338, 370, 388, 481, 485, 676, 740, 845, 962, 970, 1261, 1690, 1924, 1940, 2405, 2522, 3380, 3589, 4810, 5044, 6253, 6305, 7178, 9620, 12506, 12610, 14356, 16393, 17945, 25012, 25220, 31265, 32786, 35890, 46657, 62530, 65572, 71780, 81965, 93314, 125060, 163930, 186628, 233285, 327860, 466570, 606541, 933140, 1213082, 2426164, 3032705, 6065410, 12130820]

約数ペア:

[(1, 12130820), (2, 6065410), (4, 3032705), (5, 2426164), (10, 1213082), (13, 933140), (20, 606541), (26, 466570), (37, 327860), (52, 233285), (65, 186628), (74, 163930), (97, 125060), (130, 93314), (148, 81965), (169, 71780), (185, 65572), (194, 62530), (260, 46657), (338, 35890), (370, 32786), (388, 31265), (481, 25220), (485, 25012), (676, 17945), (740, 16393), (845, 14356), (962, 12610), (970, 12506), (1261, 9620), (1690, 7178), (1924, 6305), (1940, 6253), (2405, 5044), (2522, 4810), (3380, 3589)]