80491221460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{44207}}^1$

素因数の和:44425

約数の個数: 96

約数和(自身を含む): 187158988800

約数和(自身を除く): 106667767340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 149, 188, 235, 260, 298, 470, 596, 611, 745, 940, 1222, 1490, 1937, 2444, 2980, 3055, 3874, 6110, 7003, 7748, 9685, 12220, 14006, 19370, 28012, 35015, 38740, 44207, 70030, 88414, 91039, 140060, 176828, 182078, 221035, 364156, 442070, 455195, 574691, 884140, 910390, 1149382, 1820780, 2077729, 2298764, 2873455, 4155458, 5746910, 6586843, 8310916, 10388645, 11493820, 13173686, 20777290, 26347372, 27010477, 32934215, 41554580, 54020954, 65868430, 85628959, 108041908, 131736860, 135052385, 171257918, 270104770, 309581621, 342515836, 428144795, 540209540, 619163242, 856289590, 1238326484, 1547908105, 1712579180, 3095816210, 4024561073, 6191632420, 8049122146, 16098244292, 20122805365, 40245610730, 80491221460]

約数ペア:

[(1, 80491221460), (2, 40245610730), (4, 20122805365), (5, 16098244292), (10, 8049122146), (13, 6191632420), (20, 4024561073), (26, 3095816210), (47, 1712579180), (52, 1547908105), (65, 1238326484), (94, 856289590), (130, 619163242), (149, 540209540), (188, 428144795), (235, 342515836), (260, 309581621), (298, 270104770), (470, 171257918), (596, 135052385), (611, 131736860), (745, 108041908), (940, 85628959), (1222, 65868430), (1490, 54020954), (1937, 41554580), (2444, 32934215), (2980, 27010477), (3055, 26347372), (3874, 20777290), (6110, 13173686), (7003, 11493820), (7748, 10388645), (9685, 8310916), (12220, 6586843), (14006, 5746910), (19370, 4155458), (28012, 2873455), (35015, 2298764), (38740, 2077729), (44207, 1820780), (70030, 1149382), (88414, 910390), (91039, 884140), (140060, 574691), (176828, 455195), (182078, 442070), (221035, 364156)]