425263840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{156347}}^1$

素因数の和:156379

約数の個数: 48

約数和(自身を含む): 1063791792

約数和(自身を除く): 638527952

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, 156347, 312694, 625388, 781735, 1250776, 1563470, 2501552, 2657899, 3126940, 5003104, 5315798, 6253880, 10631596, 12507760, 13289495, 21263192, 25015520, 26578990, 42526384, 53157980, 85052768, 106315960, 212631920, 425263840]

約数ペア:

[(1, 425263840), (2, 212631920), (4, 106315960), (5, 85052768), (8, 53157980), (10, 42526384), (16, 26578990), (17, 25015520), (20, 21263192), (32, 13289495), (34, 12507760), (40, 10631596), (68, 6253880), (80, 5315798), (85, 5003104), (136, 3126940), (160, 2657899), (170, 2501552), (272, 1563470), (340, 1250776), (544, 781735), (680, 625388), (1360, 312694), (2720, 156347)]