39983840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 104146560

約数和(自身を除く): 64162720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 409, 416, 470, 520, 611, 752, 818, 940, 1040, 1222, 1504, 1636, 1880, 2045, 2080, 2444, 3055, 3272, 3760, 4090, 4888, 5317, 6110, 6544, 7520, 8180, 9776, 10634, 12220, 13088, 16360, 19223, 19552, 21268, 24440, 26585, 32720, 38446, 42536, 48880, 53170, 65440, 76892, 85072, 96115, 97760, 106340, 153784, 170144, 192230, 212680, 249899, 307568, 384460, 425360, 499798, 615136, 768920, 850720, 999596, 1249495, 1537840, 1999192, 2498990, 3075680, 3998384, 4997980, 7996768, 9995960, 19991920, 39983840]

約数ペア:

[(1, 39983840), (2, 19991920), (4, 9995960), (5, 7996768), (8, 4997980), (10, 3998384), (13, 3075680), (16, 2498990), (20, 1999192), (26, 1537840), (32, 1249495), (40, 999596), (47, 850720), (52, 768920), (65, 615136), (80, 499798), (94, 425360), (104, 384460), (130, 307568), (160, 249899), (188, 212680), (208, 192230), (235, 170144), (260, 153784), (376, 106340), (409, 97760), (416, 96115), (470, 85072), (520, 76892), (611, 65440), (752, 53170), (818, 48880), (940, 42536), (1040, 38446), (1222, 32720), (1504, 26585), (1636, 24440), (1880, 21268), (2045, 19552), (2080, 19223), (2444, 16360), (3055, 13088), (3272, 12220), (3760, 10634), (4090, 9776), (4888, 8180), (5317, 7520), (6110, 6544)]