2015441440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{406339}}^1$

素因数の和:406385

約数の個数: 48

約数和(自身を含む): 4915088640

約数和(自身を除く): 2899647200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 406339, 812678, 1625356, 2031695, 3250712, 4063390, 6501424, 8126780, 12596509, 13002848, 16253560, 25193018, 32507120, 50386036, 62982545, 65014240, 100772072, 125965090, 201544144, 251930180, 403088288, 503860360, 1007720720, 2015441440]

約数ペア:

[(1, 2015441440), (2, 1007720720), (4, 503860360), (5, 403088288), (8, 251930180), (10, 201544144), (16, 125965090), (20, 100772072), (31, 65014240), (32, 62982545), (40, 50386036), (62, 32507120), (80, 25193018), (124, 16253560), (155, 13002848), (160, 12596509), (248, 8126780), (310, 6501424), (496, 4063390), (620, 3250712), (992, 2031695), (1240, 1625356), (2480, 812678), (4960, 406339)]