80872702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 131241600

約数和(自身を除く): 50368898

約数列:

[1, 2, 19, 38, 61, 122, 139, 251, 278, 502, 1159, 2318, 2641, 4769, 5282, 8479, 9538, 15311, 16958, 30622, 34889, 69778, 161101, 290909, 322202, 581818, 662891, 1325782, 2128229, 4256458, 40436351, 80872702]

約数ペア:

[(1, 80872702), (2, 40436351), (19, 4256458), (38, 2128229), (61, 1325782), (122, 662891), (139, 581818), (251, 322202), (278, 290909), (502, 161101), (1159, 69778), (2318, 34889), (2641, 30622), (4769, 16958), (5282, 15311), (8479, 9538)]