27824240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 70308000

約数和(自身を除く): 42483760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 499, 656, 680, 697, 820, 998, 1360, 1394, 1640, 1996, 2495, 2788, 3280, 3485, 3992, 4990, 5576, 6970, 7984, 8483, 9980, 11152, 13940, 16966, 19960, 20459, 27880, 33932, 39920, 40918, 42415, 55760, 67864, 81836, 84830, 102295, 135728, 163672, 169660, 204590, 327344, 339320, 347803, 409180, 678640, 695606, 818360, 1391212, 1636720, 1739015, 2782424, 3478030, 5564848, 6956060, 13912120, 27824240]

約数ペア:

[(1, 27824240), (2, 13912120), (4, 6956060), (5, 5564848), (8, 3478030), (10, 2782424), (16, 1739015), (17, 1636720), (20, 1391212), (34, 818360), (40, 695606), (41, 678640), (68, 409180), (80, 347803), (82, 339320), (85, 327344), (136, 204590), (164, 169660), (170, 163672), (205, 135728), (272, 102295), (328, 84830), (340, 81836), (410, 67864), (499, 55760), (656, 42415), (680, 40918), (697, 39920), (820, 33932), (998, 27880), (1360, 20459), (1394, 19960), (1640, 16966), (1996, 13940), (2495, 11152), (2788, 9980), (3280, 8483), (3485, 7984), (3992, 6970), (4990, 5576)]