39986720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 102087216

約数和(自身を除く): 62100496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 160, 170, 241, 244, 272, 305, 340, 482, 488, 544, 610, 680, 964, 976, 1037, 1205, 1220, 1360, 1928, 1952, 2074, 2410, 2440, 2720, 3856, 4097, 4148, 4820, 4880, 5185, 7712, 8194, 8296, 9640, 9760, 10370, 14701, 16388, 16592, 19280, 20485, 20740, 29402, 32776, 33184, 38560, 40970, 41480, 58804, 65552, 73505, 81940, 82960, 117608, 131104, 147010, 163880, 165920, 235216, 249917, 294020, 327760, 470432, 499834, 588040, 655520, 999668, 1176080, 1249585, 1999336, 2352160, 2499170, 3998672, 4998340, 7997344, 9996680, 19993360, 39986720]

約数ペア:

[(1, 39986720), (2, 19993360), (4, 9996680), (5, 7997344), (8, 4998340), (10, 3998672), (16, 2499170), (17, 2352160), (20, 1999336), (32, 1249585), (34, 1176080), (40, 999668), (61, 655520), (68, 588040), (80, 499834), (85, 470432), (122, 327760), (136, 294020), (160, 249917), (170, 235216), (241, 165920), (244, 163880), (272, 147010), (305, 131104), (340, 117608), (482, 82960), (488, 81940), (544, 73505), (610, 65552), (680, 58804), (964, 41480), (976, 40970), (1037, 38560), (1205, 33184), (1220, 32776), (1360, 29402), (1928, 20740), (1952, 20485), (2074, 19280), (2410, 16592), (2440, 16388), (2720, 14701), (3856, 10370), (4097, 9760), (4148, 9640), (4820, 8296), (4880, 8194), (5185, 7712)]