89880140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1601}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 216385344

約数和(自身を除く): 126505204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1601, 1604, 2005, 2807, 3202, 4010, 5614, 6404, 8005, 8020, 11207, 11228, 14035, 16010, 22414, 28070, 32020, 44828, 56035, 56140, 112070, 224140, 642001, 1284002, 2568004, 3210005, 4494007, 6420010, 8988014, 12840020, 17976028, 22470035, 44940070, 89880140]

約数ペア:

[(1, 89880140), (2, 44940070), (4, 22470035), (5, 17976028), (7, 12840020), (10, 8988014), (14, 6420010), (20, 4494007), (28, 3210005), (35, 2568004), (70, 1284002), (140, 642001), (401, 224140), (802, 112070), (1601, 56140), (1604, 56035), (2005, 44828), (2807, 32020), (3202, 28070), (4010, 22414), (5614, 16010), (6404, 14035), (8005, 11228), (8020, 11207)]