8877440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 25189920

約数和(自身を除く): 16312480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 97, 104, 110, 128, 130, 143, 160, 176, 194, 208, 220, 260, 286, 320, 352, 388, 416, 440, 485, 520, 572, 640, 704, 715, 776, 832, 880, 970, 1040, 1067, 1144, 1261, 1408, 1430, 1552, 1664, 1760, 1940, 2080, 2134, 2288, 2522, 2860, 3104, 3520, 3880, 4160, 4268, 4576, 5044, 5335, 5720, 6208, 6305, 7040, 7760, 8320, 8536, 9152, 10088, 10670, 11440, 12416, 12610, 13871, 15520, 17072, 18304, 20176, 21340, 22880, 25220, 27742, 31040, 34144, 40352, 42680, 45760, 50440, 55484, 62080, 68288, 69355, 80704, 85360, 91520, 100880, 110968, 136576, 138710, 161408, 170720, 201760, 221936, 277420, 341440, 403520, 443872, 554840, 682880, 807040, 887744, 1109680, 1775488, 2219360, 4438720, 8877440]

約数ペア:

[(1, 8877440), (2, 4438720), (4, 2219360), (5, 1775488), (8, 1109680), (10, 887744), (11, 807040), (13, 682880), (16, 554840), (20, 443872), (22, 403520), (26, 341440), (32, 277420), (40, 221936), (44, 201760), (52, 170720), (55, 161408), (64, 138710), (65, 136576), (80, 110968), (88, 100880), (97, 91520), (104, 85360), (110, 80704), (128, 69355), (130, 68288), (143, 62080), (160, 55484), (176, 50440), (194, 45760), (208, 42680), (220, 40352), (260, 34144), (286, 31040), (320, 27742), (352, 25220), (388, 22880), (416, 21340), (440, 20176), (485, 18304), (520, 17072), (572, 15520), (640, 13871), (704, 12610), (715, 12416), (776, 11440), (832, 10670), (880, 10088), (970, 9152), (1040, 8536), (1067, 8320), (1144, 7760), (1261, 7040), (1408, 6305), (1430, 6208), (1552, 5720), (1664, 5335), (1760, 5044), (1940, 4576), (2080, 4268), (2134, 4160), (2288, 3880), (2522, 3520), (2860, 3104)]