161009680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11909}}^1$

素因数の和:11948

約数の個数: 60

約数和(自身を含む): 405392580

約数和(自身を除く): 244382900

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 11909, 13520, 23818, 47636, 59545, 95272, 119090, 154817, 190544, 238180, 309634, 476360, 619268, 774085, 952720, 1238536, 1548170, 2012621, 2477072, 3096340, 4025242, 6192680, 8050484, 10063105, 12385360, 16100968, 20126210, 32201936, 40252420, 80504840, 161009680]

約数ペア:

[(1, 161009680), (2, 80504840), (4, 40252420), (5, 32201936), (8, 20126210), (10, 16100968), (13, 12385360), (16, 10063105), (20, 8050484), (26, 6192680), (40, 4025242), (52, 3096340), (65, 2477072), (80, 2012621), (104, 1548170), (130, 1238536), (169, 952720), (208, 774085), (260, 619268), (338, 476360), (520, 309634), (676, 238180), (845, 190544), (1040, 154817), (1352, 119090), (1690, 95272), (2704, 59545), (3380, 47636), (6760, 23818), (11909, 13520)]