69940040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 167909760

約数和(自身を除く): 97969720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 631, 652, 680, 815, 1262, 1304, 1630, 2524, 2771, 3155, 3260, 5048, 5542, 6310, 6520, 10727, 11084, 12620, 13855, 21454, 22168, 25240, 27710, 42908, 53635, 55420, 85816, 102853, 107270, 110840, 205706, 214540, 411412, 429080, 514265, 822824, 1028530, 1748501, 2057060, 3497002, 4114120, 6994004, 8742505, 13988008, 17485010, 34970020, 69940040]

約数ペア:

[(1, 69940040), (2, 34970020), (4, 17485010), (5, 13988008), (8, 8742505), (10, 6994004), (17, 4114120), (20, 3497002), (34, 2057060), (40, 1748501), (68, 1028530), (85, 822824), (136, 514265), (163, 429080), (170, 411412), (326, 214540), (340, 205706), (631, 110840), (652, 107270), (680, 102853), (815, 85816), (1262, 55420), (1304, 53635), (1630, 42908), (2524, 27710), (2771, 25240), (3155, 22168), (3260, 21454), (5048, 13855), (5542, 12620), (6310, 11084), (6520, 10727)]