320044790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{18793}}^1$

素因数の和:18944

約数の個数: 32

約数和(自身を含む): 625163616

約数和(自身を除く): 305118826

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 18793, 37586, 93965, 187930, 244309, 488618, 1221545, 2443090, 2461883, 4923766, 12309415, 24618830, 32004479, 64008958, 160022395, 320044790]

約数ペア:

[(1, 320044790), (2, 160022395), (5, 64008958), (10, 32004479), (13, 24618830), (26, 12309415), (65, 4923766), (130, 2461883), (131, 2443090), (262, 1221545), (655, 488618), (1310, 244309), (1703, 187930), (3406, 93965), (8515, 37586), (17030, 18793)]