87911670340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{34261}}^1$

素因数の和:34493

約数の個数: 96

約数和(自身を含む): 203072244480

約数和(自身を除く): 115160574140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 139, 142, 260, 278, 284, 355, 556, 695, 710, 923, 1390, 1420, 1807, 1846, 2780, 3614, 3692, 4615, 7228, 9035, 9230, 9869, 18070, 18460, 19738, 34261, 36140, 39476, 49345, 68522, 98690, 128297, 137044, 171305, 197380, 256594, 342610, 445393, 513188, 641485, 685220, 890786, 1282970, 1781572, 2226965, 2432531, 2565940, 4453930, 4762279, 4865062, 8907860, 9524558, 9730124, 12162655, 19049116, 23811395, 24325310, 31622903, 47622790, 48650620, 61909627, 63245806, 95245580, 123819254, 126491612, 158114515, 247638508, 309548135, 316229030, 338121809, 619096270, 632458060, 676243618, 1238192540, 1352487236, 1690609045, 3381218090, 4395583517, 6762436180, 8791167034, 17582334068, 21977917585, 43955835170, 87911670340]

約数ペア:

[(1, 87911670340), (2, 43955835170), (4, 21977917585), (5, 17582334068), (10, 8791167034), (13, 6762436180), (20, 4395583517), (26, 3381218090), (52, 1690609045), (65, 1352487236), (71, 1238192540), (130, 676243618), (139, 632458060), (142, 619096270), (260, 338121809), (278, 316229030), (284, 309548135), (355, 247638508), (556, 158114515), (695, 126491612), (710, 123819254), (923, 95245580), (1390, 63245806), (1420, 61909627), (1807, 48650620), (1846, 47622790), (2780, 31622903), (3614, 24325310), (3692, 23811395), (4615, 19049116), (7228, 12162655), (9035, 9730124), (9230, 9524558), (9869, 8907860), (18070, 4865062), (18460, 4762279), (19738, 4453930), (34261, 2565940), (36140, 2432531), (39476, 2226965), (49345, 1781572), (68522, 1282970), (98690, 890786), (128297, 685220), (137044, 641485), (171305, 513188), (197380, 445393), (256594, 342610)]