8705840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 23810976

約数和(自身を除く): 15105136

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, 761, 880, 1040, 1144, 1430, 1522, 2288, 2860, 3044, 3805, 5720, 6088, 7610, 8371, 9893, 11440, 12176, 15220, 16742, 19786, 30440, 33484, 39572, 41855, 49465, 60880, 66968, 79144, 83710, 98930, 108823, 133936, 158288, 167420, 197860, 217646, 334840, 395720, 435292, 544115, 669680, 791440, 870584, 1088230, 1741168, 2176460, 4352920, 8705840]

約数ペア:

[(1, 8705840), (2, 4352920), (4, 2176460), (5, 1741168), (8, 1088230), (10, 870584), (11, 791440), (13, 669680), (16, 544115), (20, 435292), (22, 395720), (26, 334840), (40, 217646), (44, 197860), (52, 167420), (55, 158288), (65, 133936), (80, 108823), (88, 98930), (104, 83710), (110, 79144), (130, 66968), (143, 60880), (176, 49465), (208, 41855), (220, 39572), (260, 33484), (286, 30440), (440, 19786), (520, 16742), (572, 15220), (715, 12176), (761, 11440), (880, 9893), (1040, 8371), (1144, 7610), (1430, 6088), (1522, 5720), (2288, 3805), (2860, 3044)]