83220020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{967}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 188969088

約数和(自身を除く): 105749068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 967, 1324, 1655, 1934, 3310, 3868, 4303, 4835, 6620, 8606, 9670, 12571, 17212, 19340, 21515, 25142, 43030, 50284, 62855, 86060, 125710, 251420, 320077, 640154, 1280308, 1600385, 3200770, 4161001, 6401540, 8322002, 16644004, 20805005, 41610010, 83220020]

約数ペア:

[(1, 83220020), (2, 41610010), (4, 20805005), (5, 16644004), (10, 8322002), (13, 6401540), (20, 4161001), (26, 3200770), (52, 1600385), (65, 1280308), (130, 640154), (260, 320077), (331, 251420), (662, 125710), (967, 86060), (1324, 62855), (1655, 50284), (1934, 43030), (3310, 25142), (3868, 21515), (4303, 19340), (4835, 17212), (6620, 12571), (8606, 9670)]