163967680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16529}}^1$

素因数の和:16577

約数の個数: 56

約数和(自身を含む): 403067520

約数和(自身を除く): 239099840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 16529, 33058, 66116, 82645, 132232, 165290, 264464, 330580, 512399, 528928, 661160, 1024798, 1057856, 1322320, 2049596, 2561995, 2644640, 4099192, 5123990, 5289280, 8198384, 10247980, 16396768, 20495960, 32793536, 40991920, 81983840, 163967680]

約数ペア:

[(1, 163967680), (2, 81983840), (4, 40991920), (5, 32793536), (8, 20495960), (10, 16396768), (16, 10247980), (20, 8198384), (31, 5289280), (32, 5123990), (40, 4099192), (62, 2644640), (64, 2561995), (80, 2049596), (124, 1322320), (155, 1057856), (160, 1024798), (248, 661160), (310, 528928), (320, 512399), (496, 330580), (620, 264464), (992, 165290), (1240, 132232), (1984, 82645), (2480, 66116), (4960, 33058), (9920, 16529)]