48700040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 116424000

約数和(自身を除く): 67723960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 461, 556, 695, 760, 922, 1112, 1390, 1844, 2305, 2641, 2780, 3688, 4610, 5282, 5560, 8759, 9220, 10564, 13205, 17518, 18440, 21128, 26410, 35036, 43795, 52820, 64079, 70072, 87590, 105640, 128158, 175180, 256316, 320395, 350360, 512632, 640790, 1217501, 1281580, 2435002, 2563160, 4870004, 6087505, 9740008, 12175010, 24350020, 48700040]

約数ペア:

[(1, 48700040), (2, 24350020), (4, 12175010), (5, 9740008), (8, 6087505), (10, 4870004), (19, 2563160), (20, 2435002), (38, 1281580), (40, 1217501), (76, 640790), (95, 512632), (139, 350360), (152, 320395), (190, 256316), (278, 175180), (380, 128158), (461, 105640), (556, 87590), (695, 70072), (760, 64079), (922, 52820), (1112, 43795), (1390, 35036), (1844, 26410), (2305, 21128), (2641, 18440), (2780, 17518), (3688, 13205), (4610, 10564), (5282, 9220), (5560, 8759)]