71225240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104743}}^1$

素因数の和:104771

約数の個数: 32

約数和(自身を含む): 169685280

約数和(自身を除く): 98460040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 104743, 209486, 418972, 523715, 837944, 1047430, 1780631, 2094860, 3561262, 4189720, 7122524, 8903155, 14245048, 17806310, 35612620, 71225240]

約数ペア:

[(1, 71225240), (2, 35612620), (4, 17806310), (5, 14245048), (8, 8903155), (10, 7122524), (17, 4189720), (20, 3561262), (34, 2094860), (40, 1780631), (68, 1047430), (85, 837944), (136, 523715), (170, 418972), (340, 209486), (680, 104743)]