71663840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26347}}^1$

素因数の和:26379

約数の個数: 48

約数和(自身を含む): 179271792

約数和(自身を除く): 107607952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26347, 52694, 105388, 131735, 210776, 263470, 421552, 447899, 526940, 843104, 895798, 1053880, 1791596, 2107760, 2239495, 3583192, 4215520, 4478990, 7166384, 8957980, 14332768, 17915960, 35831920, 71663840]

約数ペア:

[(1, 71663840), (2, 35831920), (4, 17915960), (5, 14332768), (8, 8957980), (10, 7166384), (16, 4478990), (17, 4215520), (20, 3583192), (32, 2239495), (34, 2107760), (40, 1791596), (68, 1053880), (80, 895798), (85, 843104), (136, 526940), (160, 447899), (170, 421552), (272, 263470), (340, 210776), (544, 131735), (680, 105388), (1360, 52694), (2720, 26347)]