80065990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4903}}^1$

素因数の和:5004

約数の個数: 32

約数和(自身を含む): 152534016

約数和(自身を除く): 72468026

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 4903, 8165, 9806, 16330, 24515, 49030, 112769, 225538, 348113, 563845, 696226, 1127690, 1740565, 3481130, 8006599, 16013198, 40032995, 80065990]

約数ペア:

[(1, 80065990), (2, 40032995), (5, 16013198), (10, 8006599), (23, 3481130), (46, 1740565), (71, 1127690), (115, 696226), (142, 563845), (230, 348113), (355, 225538), (710, 112769), (1633, 49030), (3266, 24515), (4903, 16330), (8165, 9806)]