880158260

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{2003}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 1874589696

約数和(自身を除く): 994431436

約数列:

[1, 2, 4, 5, 10, 20, 127, 173, 254, 346, 508, 635, 692, 865, 1270, 1730, 2003, 2540, 3460, 4006, 8012, 10015, 20030, 21971, 40060, 43942, 87884, 109855, 219710, 254381, 346519, 439420, 508762, 693038, 1017524, 1271905, 1386076, 1732595, 2543810, 3465190, 5087620, 6930380, 44007913, 88015826, 176031652, 220039565, 440079130, 880158260]

約数ペア:

[(1, 880158260), (2, 440079130), (4, 220039565), (5, 176031652), (10, 88015826), (20, 44007913), (127, 6930380), (173, 5087620), (254, 3465190), (346, 2543810), (508, 1732595), (635, 1386076), (692, 1271905), (865, 1017524), (1270, 693038), (1730, 508762), (2003, 439420), (2540, 346519), (3460, 254381), (4006, 219710), (8012, 109855), (10015, 87884), (20030, 43942), (21971, 40060)]