13901920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 36741600

約数和(自身を除く): 22839680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 269, 272, 304, 323, 340, 380, 538, 544, 608, 646, 680, 760, 1076, 1292, 1345, 1360, 1520, 1615, 2152, 2584, 2690, 2720, 3040, 3230, 4304, 4573, 5111, 5168, 5380, 6460, 8608, 9146, 10222, 10336, 10760, 12920, 18292, 20444, 21520, 22865, 25555, 25840, 36584, 40888, 43040, 45730, 51110, 51680, 73168, 81776, 86887, 91460, 102220, 146336, 163552, 173774, 182920, 204440, 347548, 365840, 408880, 434435, 695096, 731680, 817760, 868870, 1390192, 1737740, 2780384, 3475480, 6950960, 13901920]

約数ペア:

[(1, 13901920), (2, 6950960), (4, 3475480), (5, 2780384), (8, 1737740), (10, 1390192), (16, 868870), (17, 817760), (19, 731680), (20, 695096), (32, 434435), (34, 408880), (38, 365840), (40, 347548), (68, 204440), (76, 182920), (80, 173774), (85, 163552), (95, 146336), (136, 102220), (152, 91460), (160, 86887), (170, 81776), (190, 73168), (269, 51680), (272, 51110), (304, 45730), (323, 43040), (340, 40888), (380, 36584), (538, 25840), (544, 25555), (608, 22865), (646, 21520), (680, 20444), (760, 18292), (1076, 12920), (1292, 10760), (1345, 10336), (1360, 10222), (1520, 9146), (1615, 8608), (2152, 6460), (2584, 5380), (2690, 5168), (2720, 5111), (3040, 4573), (3230, 4304)]