80712436

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 166747392

約数和(自身を除く): 86034956

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 167, 287, 334, 421, 574, 668, 842, 1148, 1169, 1684, 2338, 2947, 4676, 5894, 6847, 11788, 13694, 17261, 27388, 34522, 47929, 69044, 70307, 95858, 120827, 140614, 191716, 241654, 281228, 483308, 492149, 984298, 1968596, 2882587, 5765174, 11530348, 20178109, 40356218, 80712436]

約数ペア:

[(1, 80712436), (2, 40356218), (4, 20178109), (7, 11530348), (14, 5765174), (28, 2882587), (41, 1968596), (82, 984298), (164, 492149), (167, 483308), (287, 281228), (334, 241654), (421, 191716), (574, 140614), (668, 120827), (842, 95858), (1148, 70307), (1169, 69044), (1684, 47929), (2338, 34522), (2947, 27388), (4676, 17261), (5894, 13694), (6847, 11788)]