40125020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 96347328

約数和(自身を除く): 56222308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 43, 52, 65, 74, 86, 97, 130, 148, 172, 185, 194, 215, 260, 370, 388, 430, 481, 485, 559, 740, 860, 962, 970, 1118, 1261, 1591, 1924, 1940, 2236, 2405, 2522, 2795, 3182, 3589, 4171, 4810, 5044, 5590, 6305, 6364, 7178, 7955, 8342, 9620, 11180, 12610, 14356, 15910, 16684, 17945, 20683, 20855, 25220, 31820, 35890, 41366, 41710, 46657, 54223, 71780, 82732, 83420, 93314, 103415, 108446, 154327, 186628, 206830, 216892, 233285, 271115, 308654, 413660, 466570, 542230, 617308, 771635, 933140, 1084460, 1543270, 2006251, 3086540, 4012502, 8025004, 10031255, 20062510, 40125020]

約数ペア:

[(1, 40125020), (2, 20062510), (4, 10031255), (5, 8025004), (10, 4012502), (13, 3086540), (20, 2006251), (26, 1543270), (37, 1084460), (43, 933140), (52, 771635), (65, 617308), (74, 542230), (86, 466570), (97, 413660), (130, 308654), (148, 271115), (172, 233285), (185, 216892), (194, 206830), (215, 186628), (260, 154327), (370, 108446), (388, 103415), (430, 93314), (481, 83420), (485, 82732), (559, 71780), (740, 54223), (860, 46657), (962, 41710), (970, 41366), (1118, 35890), (1261, 31820), (1591, 25220), (1924, 20855), (1940, 20683), (2236, 17945), (2405, 16684), (2522, 15910), (2795, 14356), (3182, 12610), (3589, 11180), (4171, 9620), (4810, 8342), (5044, 7955), (5590, 7178), (6305, 6364)]