12854594720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{663977}}^1$

素因数の和:664014

約数の個数: 72

約数和(自身を含む): 33380829972

約数和(自身を除く): 20526235252

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 663977, 1327954, 2655908, 3319885, 5311816, 6639770, 7303747, 10623632, 13279540, 14607494, 21247264, 26559080, 29214988, 36518735, 53118160, 58429976, 73037470, 80341217, 106236320, 116859952, 146074940, 160682434, 233719904, 292149880, 321364868, 401706085, 584299760, 642729736, 803412170, 1168599520, 1285459472, 1606824340, 2570918944, 3213648680, 6427297360, 12854594720]

約数ペア:

[(1, 12854594720), (2, 6427297360), (4, 3213648680), (5, 2570918944), (8, 1606824340), (10, 1285459472), (11, 1168599520), (16, 803412170), (20, 642729736), (22, 584299760), (32, 401706085), (40, 321364868), (44, 292149880), (55, 233719904), (80, 160682434), (88, 146074940), (110, 116859952), (121, 106236320), (160, 80341217), (176, 73037470), (220, 58429976), (242, 53118160), (352, 36518735), (440, 29214988), (484, 26559080), (605, 21247264), (880, 14607494), (968, 13279540), (1210, 10623632), (1760, 7303747), (1936, 6639770), (2420, 5311816), (3872, 3319885), (4840, 2655908), (9680, 1327954), (19360, 663977)]