7813880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11491}}^1$

素因数の和:11519

約数の個数: 32

約数和(自身を含む): 18617040

約数和(自身を除く): 10803160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11491, 22982, 45964, 57455, 91928, 114910, 195347, 229820, 390694, 459640, 781388, 976735, 1562776, 1953470, 3906940, 7813880]

約数ペア:

[(1, 7813880), (2, 3906940), (4, 1953470), (5, 1562776), (8, 976735), (10, 781388), (17, 459640), (20, 390694), (34, 229820), (40, 195347), (68, 114910), (85, 91928), (136, 57455), (170, 45964), (340, 22982), (680, 11491)]