4008960140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1\times {\mathrm{1381}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 8483711040

約数和(自身を除く): 4474750900

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 839, 865, 1381, 1678, 1730, 2762, 3356, 3460, 4195, 5524, 6905, 8390, 13810, 16780, 27620, 145147, 238913, 290294, 477826, 580588, 725735, 955652, 1158659, 1194565, 1451470, 2317318, 2389130, 2902940, 4634636, 4778260, 5793295, 11586590, 23173180, 200448007, 400896014, 801792028, 1002240035, 2004480070, 4008960140]

約数ペア:

[(1, 4008960140), (2, 2004480070), (4, 1002240035), (5, 801792028), (10, 400896014), (20, 200448007), (173, 23173180), (346, 11586590), (692, 5793295), (839, 4778260), (865, 4634636), (1381, 2902940), (1678, 2389130), (1730, 2317318), (2762, 1451470), (3356, 1194565), (3460, 1158659), (4195, 955652), (5524, 725735), (6905, 580588), (8390, 477826), (13810, 290294), (16780, 238913), (27620, 145147)]