40738880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1436

約数の個数: 112

約数和(自身を含む): 119481600

約数和(自身を除く): 78742720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1399, 1456, 1820, 2080, 2240, 2798, 2912, 3640, 4160, 5596, 5824, 6995, 7280, 9793, 11192, 13990, 14560, 18187, 19586, 22384, 27980, 29120, 36374, 39172, 44768, 48965, 55960, 72748, 78344, 89536, 90935, 97930, 111920, 127309, 145496, 156688, 181870, 195860, 223840, 254618, 290992, 313376, 363740, 391720, 447680, 509236, 581984, 626752, 636545, 727480, 783440, 1018472, 1163968, 1273090, 1454960, 1566880, 2036944, 2546180, 2909920, 3133760, 4073888, 5092360, 5819840, 8147776, 10184720, 20369440, 40738880]

約数ペア:

[(1, 40738880), (2, 20369440), (4, 10184720), (5, 8147776), (7, 5819840), (8, 5092360), (10, 4073888), (13, 3133760), (14, 2909920), (16, 2546180), (20, 2036944), (26, 1566880), (28, 1454960), (32, 1273090), (35, 1163968), (40, 1018472), (52, 783440), (56, 727480), (64, 636545), (65, 626752), (70, 581984), (80, 509236), (91, 447680), (104, 391720), (112, 363740), (130, 313376), (140, 290992), (160, 254618), (182, 223840), (208, 195860), (224, 181870), (260, 156688), (280, 145496), (320, 127309), (364, 111920), (416, 97930), (448, 90935), (455, 89536), (520, 78344), (560, 72748), (728, 55960), (832, 48965), (910, 44768), (1040, 39172), (1120, 36374), (1399, 29120), (1456, 27980), (1820, 22384), (2080, 19586), (2240, 18187), (2798, 14560), (2912, 13990), (3640, 11192), (4160, 9793), (5596, 7280), (5824, 6995)]