40715860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 90921600

約数和(自身を除く): 50205740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 983, 1090, 1966, 2071, 2180, 3932, 4142, 4915, 8284, 9830, 10355, 18677, 19660, 20710, 37354, 41420, 74708, 93385, 107147, 186770, 214294, 373540, 428588, 535735, 1071470, 2035793, 2142940, 4071586, 8143172, 10178965, 20357930, 40715860]

約数ペア:

[(1, 40715860), (2, 20357930), (4, 10178965), (5, 8143172), (10, 4071586), (19, 2142940), (20, 2035793), (38, 1071470), (76, 535735), (95, 428588), (109, 373540), (190, 214294), (218, 186770), (380, 107147), (436, 93385), (545, 74708), (983, 41420), (1090, 37354), (1966, 20710), (2071, 19660), (2180, 18677), (3932, 10355), (4142, 9830), (4915, 8284)]