66221140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{401}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 145877760

約数和(自身を除く): 79656620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 359, 401, 460, 718, 802, 1436, 1604, 1795, 2005, 3590, 4010, 7180, 8020, 8257, 9223, 16514, 18446, 33028, 36892, 41285, 46115, 82570, 92230, 143959, 165140, 184460, 287918, 575836, 719795, 1439590, 2879180, 3311057, 6622114, 13244228, 16555285, 33110570, 66221140]

約数ペア:

[(1, 66221140), (2, 33110570), (4, 16555285), (5, 13244228), (10, 6622114), (20, 3311057), (23, 2879180), (46, 1439590), (92, 719795), (115, 575836), (230, 287918), (359, 184460), (401, 165140), (460, 143959), (718, 92230), (802, 82570), (1436, 46115), (1604, 41285), (1795, 36892), (2005, 33028), (3590, 18446), (4010, 16514), (7180, 9223), (8020, 8257)]