31644820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 70918848

約数和(自身を除く): 39274028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 571, 652, 815, 1142, 1630, 2284, 2771, 2855, 3260, 5542, 5710, 9707, 11084, 11420, 13855, 19414, 27710, 38828, 48535, 55420, 93073, 97070, 186146, 194140, 372292, 465365, 930730, 1582241, 1861460, 3164482, 6328964, 7911205, 15822410, 31644820]

約数ペア:

[(1, 31644820), (2, 15822410), (4, 7911205), (5, 6328964), (10, 3164482), (17, 1861460), (20, 1582241), (34, 930730), (68, 465365), (85, 372292), (163, 194140), (170, 186146), (326, 97070), (340, 93073), (571, 55420), (652, 48535), (815, 38828), (1142, 27710), (1630, 19414), (2284, 13855), (2771, 11420), (2855, 11084), (3260, 9707), (5542, 5710)]