416771440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 1007364096

約数和(自身を除く): 590592656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 1031, 1240, 1304, 1630, 2062, 2480, 2608, 3260, 4124, 5053, 5155, 6520, 8248, 10106, 10310, 13040, 16496, 20212, 20620, 25265, 31961, 40424, 41240, 50530, 63922, 80848, 82480, 101060, 127844, 159805, 168053, 202120, 255688, 319610, 336106, 404240, 511376, 639220, 672212, 840265, 1278440, 1344424, 1680530, 2556880, 2688848, 3361060, 5209643, 6722120, 10419286, 13444240, 20838572, 26048215, 41677144, 52096430, 83354288, 104192860, 208385720, 416771440]

約数ペア:

[(1, 416771440), (2, 208385720), (4, 104192860), (5, 83354288), (8, 52096430), (10, 41677144), (16, 26048215), (20, 20838572), (31, 13444240), (40, 10419286), (62, 6722120), (80, 5209643), (124, 3361060), (155, 2688848), (163, 2556880), (248, 1680530), (310, 1344424), (326, 1278440), (496, 840265), (620, 672212), (652, 639220), (815, 511376), (1031, 404240), (1240, 336106), (1304, 319610), (1630, 255688), (2062, 202120), (2480, 168053), (2608, 159805), (3260, 127844), (4124, 101060), (5053, 82480), (5155, 80848), (6520, 63922), (8248, 50530), (10106, 41240), (10310, 40424), (13040, 31961), (16496, 25265), (20212, 20620)]