89111660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1655

約数の個数: 72

約数和(自身を含む): 214770528

約数和(自身を除く): 125658868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1601, 2420, 2530, 2783, 3202, 5060, 5566, 6404, 8005, 11132, 13915, 16010, 17611, 27830, 32020, 35222, 36823, 55660, 70444, 73646, 88055, 147292, 176110, 184115, 193721, 352220, 368230, 387442, 405053, 736460, 774884, 810106, 968605, 1620212, 1937210, 2025265, 3874420, 4050530, 4455583, 8101060, 8911166, 17822332, 22277915, 44555830, 89111660]

約数ペア:

[(1, 89111660), (2, 44555830), (4, 22277915), (5, 17822332), (10, 8911166), (11, 8101060), (20, 4455583), (22, 4050530), (23, 3874420), (44, 2025265), (46, 1937210), (55, 1620212), (92, 968605), (110, 810106), (115, 774884), (121, 736460), (220, 405053), (230, 387442), (242, 368230), (253, 352220), (460, 193721), (484, 184115), (506, 176110), (605, 147292), (1012, 88055), (1210, 73646), (1265, 70444), (1601, 55660), (2420, 36823), (2530, 35222), (2783, 32020), (3202, 27830), (5060, 17611), (5566, 16010), (6404, 13915), (8005, 11132)]