85800440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 212652000

約数和(自身を除く): 126851560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 1789, 2180, 2398, 3578, 4360, 4796, 5995, 7156, 8945, 9592, 11990, 14312, 17890, 19679, 23980, 35780, 39358, 47960, 71560, 78716, 98395, 157432, 195001, 196790, 390002, 393580, 780004, 787160, 975005, 1560008, 1950010, 2145011, 3900020, 4290022, 7800040, 8580044, 10725055, 17160088, 21450110, 42900220, 85800440]

約数ペア:

[(1, 85800440), (2, 42900220), (4, 21450110), (5, 17160088), (8, 10725055), (10, 8580044), (11, 7800040), (20, 4290022), (22, 3900020), (40, 2145011), (44, 1950010), (55, 1560008), (88, 975005), (109, 787160), (110, 780004), (218, 393580), (220, 390002), (436, 196790), (440, 195001), (545, 157432), (872, 98395), (1090, 78716), (1199, 71560), (1789, 47960), (2180, 39358), (2398, 35780), (3578, 23980), (4360, 19679), (4796, 17890), (5995, 14312), (7156, 11990), (8945, 9592)]