80467520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{35923}}^1$

素因数の和:35947

約数の個数: 56

約数和(自身を含む): 218992704

約数和(自身を除く): 138525184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 35923, 71846, 143692, 179615, 251461, 287384, 359230, 502922, 574768, 718460, 1005844, 1149536, 1257305, 1436920, 2011688, 2299072, 2514610, 2873840, 4023376, 5029220, 5747680, 8046752, 10058440, 11495360, 16093504, 20116880, 40233760, 80467520]

約数ペア:

[(1, 80467520), (2, 40233760), (4, 20116880), (5, 16093504), (7, 11495360), (8, 10058440), (10, 8046752), (14, 5747680), (16, 5029220), (20, 4023376), (28, 2873840), (32, 2514610), (35, 2299072), (40, 2011688), (56, 1436920), (64, 1257305), (70, 1149536), (80, 1005844), (112, 718460), (140, 574768), (160, 502922), (224, 359230), (280, 287384), (320, 251461), (448, 179615), (560, 143692), (1120, 71846), (2240, 35923)]