79994720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38459}}^1$

素因数の和:38487

約数の個数: 48

約数和(自身を含む): 203530320

約数和(自身を除く): 123535600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38459, 76918, 153836, 192295, 307672, 384590, 499967, 615344, 769180, 999934, 1230688, 1538360, 1999868, 2499835, 3076720, 3999736, 4999670, 6153440, 7999472, 9999340, 15998944, 19998680, 39997360, 79994720]

約数ペア:

[(1, 79994720), (2, 39997360), (4, 19998680), (5, 15998944), (8, 9999340), (10, 7999472), (13, 6153440), (16, 4999670), (20, 3999736), (26, 3076720), (32, 2499835), (40, 1999868), (52, 1538360), (65, 1230688), (80, 999934), (104, 769180), (130, 615344), (160, 499967), (208, 384590), (260, 307672), (416, 192295), (520, 153836), (1040, 76918), (2080, 38459)]