40728260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1163}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 91518336

約数和(自身を除く): 50790076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1163, 1751, 2060, 2326, 3502, 4652, 5815, 7004, 8755, 11630, 17510, 19771, 23260, 35020, 39542, 79084, 98855, 119789, 197710, 239578, 395420, 479156, 598945, 1197890, 2036413, 2395780, 4072826, 8145652, 10182065, 20364130, 40728260]

約数ペア:

[(1, 40728260), (2, 20364130), (4, 10182065), (5, 8145652), (10, 4072826), (17, 2395780), (20, 2036413), (34, 1197890), (68, 598945), (85, 479156), (103, 395420), (170, 239578), (206, 197710), (340, 119789), (412, 98855), (515, 79084), (1030, 39542), (1163, 35020), (1751, 23260), (2060, 19771), (2326, 17510), (3502, 11630), (4652, 8755), (5815, 7004)]