40320190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 74416320

約数和(自身を除く): 34096130

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 521, 545, 710, 1042, 1090, 2605, 5210, 7739, 15478, 36991, 38695, 56789, 73982, 77390, 113578, 184955, 283945, 369910, 567890, 4032019, 8064038, 20160095, 40320190]

約数ペア:

[(1, 40320190), (2, 20160095), (5, 8064038), (10, 4032019), (71, 567890), (109, 369910), (142, 283945), (218, 184955), (355, 113578), (521, 77390), (545, 73982), (710, 56789), (1042, 38695), (1090, 36991), (2605, 15478), (5210, 7739)]