1050400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 2788884

約数和(自身を除く): 1738484

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 101, 104, 130, 160, 200, 202, 208, 260, 325, 400, 404, 416, 505, 520, 650, 800, 808, 1010, 1040, 1300, 1313, 1616, 2020, 2080, 2525, 2600, 2626, 3232, 4040, 5050, 5200, 5252, 6565, 8080, 10100, 10400, 10504, 13130, 16160, 20200, 21008, 26260, 32825, 40400, 42016, 52520, 65650, 80800, 105040, 131300, 210080, 262600, 525200, 1050400]

約数ペア:

[(1, 1050400), (2, 525200), (4, 262600), (5, 210080), (8, 131300), (10, 105040), (13, 80800), (16, 65650), (20, 52520), (25, 42016), (26, 40400), (32, 32825), (40, 26260), (50, 21008), (52, 20200), (65, 16160), (80, 13130), (100, 10504), (101, 10400), (104, 10100), (130, 8080), (160, 6565), (200, 5252), (202, 5200), (208, 5050), (260, 4040), (325, 3232), (400, 2626), (404, 2600), (416, 2525), (505, 2080), (520, 2020), (650, 1616), (800, 1313), (808, 1300), (1010, 1040)]