16965520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1483}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 46372032

約数和(自身を除く): 29406512

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1483, 2288, 2860, 2966, 5720, 5932, 7415, 11440, 11864, 14830, 16313, 19279, 23728, 29660, 32626, 38558, 59320, 65252, 77116, 81565, 96395, 118640, 130504, 154232, 163130, 192790, 212069, 261008, 308464, 326260, 385580, 424138, 652520, 771160, 848276, 1060345, 1305040, 1542320, 1696552, 2120690, 3393104, 4241380, 8482760, 16965520]

約数ペア:

[(1, 16965520), (2, 8482760), (4, 4241380), (5, 3393104), (8, 2120690), (10, 1696552), (11, 1542320), (13, 1305040), (16, 1060345), (20, 848276), (22, 771160), (26, 652520), (40, 424138), (44, 385580), (52, 326260), (55, 308464), (65, 261008), (80, 212069), (88, 192790), (104, 163130), (110, 154232), (130, 130504), (143, 118640), (176, 96395), (208, 81565), (220, 77116), (260, 65252), (286, 59320), (440, 38558), (520, 32626), (572, 29660), (715, 23728), (880, 19279), (1040, 16313), (1144, 14830), (1430, 11864), (1483, 11440), (2288, 7415), (2860, 5932), (2966, 5720)]