40546940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{569}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 97675200

約数和(自身を除く): 57128260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 569, 1018, 1138, 2036, 2276, 2545, 2845, 3563, 3983, 5090, 5690, 7126, 7966, 10180, 11380, 14252, 15932, 17815, 19915, 35630, 39830, 71260, 79660, 289621, 579242, 1158484, 1448105, 2027347, 2896210, 4054694, 5792420, 8109388, 10136735, 20273470, 40546940]

約数ペア:

[(1, 40546940), (2, 20273470), (4, 10136735), (5, 8109388), (7, 5792420), (10, 4054694), (14, 2896210), (20, 2027347), (28, 1448105), (35, 1158484), (70, 579242), (140, 289621), (509, 79660), (569, 71260), (1018, 39830), (1138, 35630), (2036, 19915), (2276, 17815), (2545, 15932), (2845, 14252), (3563, 11380), (3983, 10180), (5090, 7966), (5690, 7126)]