145130840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117041}}^1$

素因数の和:117083

約数の個数: 32

約数和(自身を含む): 337080960

約数和(自身を除く): 191950120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117041, 234082, 468164, 585205, 936328, 1170410, 2340820, 3628271, 4681640, 7256542, 14513084, 18141355, 29026168, 36282710, 72565420, 145130840]

約数ペア:

[(1, 145130840), (2, 72565420), (4, 36282710), (5, 29026168), (8, 18141355), (10, 14513084), (20, 7256542), (31, 4681640), (40, 3628271), (62, 2340820), (124, 1170410), (155, 936328), (248, 585205), (310, 468164), (620, 234082), (1240, 117041)]