40000415

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 63393120

約数和(自身を除く): 23392705

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 455, 637, 661, 665, 931, 1235, 1729, 3185, 3305, 4627, 4655, 8593, 8645, 12103, 12559, 23135, 32389, 42965, 60151, 60515, 62795, 87913, 161945, 163267, 300755, 421057, 439565, 615391, 816335, 1142869, 2105285, 3076955, 5714345, 8000083, 40000415]

約数ペア:

[(1, 40000415), (5, 8000083), (7, 5714345), (13, 3076955), (19, 2105285), (35, 1142869), (49, 816335), (65, 615391), (91, 439565), (95, 421057), (133, 300755), (245, 163267), (247, 161945), (455, 87913), (637, 62795), (661, 60515), (665, 60151), (931, 42965), (1235, 32389), (1729, 23135), (3185, 12559), (3305, 12103), (4627, 8645), (4655, 8593)]