8038940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 21182112

約数和(自身を除く): 13143172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 631, 637, 910, 980, 1262, 1274, 1820, 2524, 2548, 3155, 3185, 4417, 6310, 6370, 8203, 8834, 12620, 12740, 16406, 17668, 22085, 30919, 32812, 41015, 44170, 57421, 61838, 82030, 88340, 114842, 123676, 154595, 164060, 229684, 287105, 309190, 401947, 574210, 618380, 803894, 1148420, 1607788, 2009735, 4019470, 8038940]

約数ペア:

[(1, 8038940), (2, 4019470), (4, 2009735), (5, 1607788), (7, 1148420), (10, 803894), (13, 618380), (14, 574210), (20, 401947), (26, 309190), (28, 287105), (35, 229684), (49, 164060), (52, 154595), (65, 123676), (70, 114842), (91, 88340), (98, 82030), (130, 61838), (140, 57421), (182, 44170), (196, 41015), (245, 32812), (260, 30919), (364, 22085), (455, 17668), (490, 16406), (631, 12740), (637, 12620), (910, 8834), (980, 8203), (1262, 6370), (1274, 6310), (1820, 4417), (2524, 3185), (2548, 3155)]