420503200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{40433}}^1$

素因数の和:40466

約数の個数: 72

約数和(自身を含む): 1105546428

約数和(自身を除く): 685043228

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 40433, 80866, 161732, 202165, 323464, 404330, 525629, 646928, 808660, 1010825, 1051258, 1293856, 1617320, 2021650, 2102516, 2628145, 3234640, 4043300, 4205032, 5256290, 6469280, 8086600, 8410064, 10512580, 13140725, 16173200, 16820128, 21025160, 26281450, 32346400, 42050320, 52562900, 84100640, 105125800, 210251600, 420503200]

約数ペア:

[(1, 420503200), (2, 210251600), (4, 105125800), (5, 84100640), (8, 52562900), (10, 42050320), (13, 32346400), (16, 26281450), (20, 21025160), (25, 16820128), (26, 16173200), (32, 13140725), (40, 10512580), (50, 8410064), (52, 8086600), (65, 6469280), (80, 5256290), (100, 4205032), (104, 4043300), (130, 3234640), (160, 2628145), (200, 2102516), (208, 2021650), (260, 1617320), (325, 1293856), (400, 1051258), (416, 1010825), (520, 808660), (650, 646928), (800, 525629), (1040, 404330), (1300, 323464), (2080, 202165), (2600, 161732), (5200, 80866), (10400, 40433)]