8840806780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{26711}}^1$

素因数の和:26819

約数の個数: 96

約数和(自身を含む): 21361052160

約数和(自身を除く): 12520245380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 67, 76, 95, 130, 134, 190, 247, 260, 268, 335, 380, 494, 670, 871, 988, 1235, 1273, 1340, 1742, 2470, 2546, 3484, 4355, 4940, 5092, 6365, 8710, 12730, 16549, 17420, 25460, 26711, 33098, 53422, 66196, 82745, 106844, 133555, 165490, 267110, 330980, 347243, 507509, 534220, 694486, 1015018, 1388972, 1736215, 1789637, 2030036, 2537545, 3472430, 3579274, 5075090, 6597617, 6944860, 7158548, 8948185, 10150180, 13195234, 17896370, 23265281, 26390468, 32988085, 34003103, 35792740, 46530562, 65976170, 68006206, 93061124, 116326405, 131952340, 136012412, 170015515, 232652810, 340031030, 442040339, 465305620, 680062060, 884080678, 1768161356, 2210201695, 4420403390, 8840806780]

約数ペア:

[(1, 8840806780), (2, 4420403390), (4, 2210201695), (5, 1768161356), (10, 884080678), (13, 680062060), (19, 465305620), (20, 442040339), (26, 340031030), (38, 232652810), (52, 170015515), (65, 136012412), (67, 131952340), (76, 116326405), (95, 93061124), (130, 68006206), (134, 65976170), (190, 46530562), (247, 35792740), (260, 34003103), (268, 32988085), (335, 26390468), (380, 23265281), (494, 17896370), (670, 13195234), (871, 10150180), (988, 8948185), (1235, 7158548), (1273, 6944860), (1340, 6597617), (1742, 5075090), (2470, 3579274), (2546, 3472430), (3484, 2537545), (4355, 2030036), (4940, 1789637), (5092, 1736215), (6365, 1388972), (8710, 1015018), (12730, 694486), (16549, 534220), (17420, 507509), (25460, 347243), (26711, 330980), (33098, 267110), (53422, 165490), (66196, 133555), (82745, 106844)]