80039830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19861}}^1$

素因数の和:19912

約数の個数: 32

約数和(自身を含む): 160167168

約数和(自身を除く): 80127338

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19861, 39722, 99305, 198610, 258193, 516386, 615691, 1231382, 1290965, 2581930, 3078455, 6156910, 8003983, 16007966, 40019915, 80039830]

約数ペア:

[(1, 80039830), (2, 40019915), (5, 16007966), (10, 8003983), (13, 6156910), (26, 3078455), (31, 2581930), (62, 1290965), (65, 1231382), (130, 615691), (155, 516386), (310, 258193), (403, 198610), (806, 99305), (2015, 39722), (4030, 19861)]