89067320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 205835040

約数和(自身を除く): 116767720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 173, 211, 244, 305, 346, 422, 488, 610, 692, 844, 865, 1055, 1220, 1384, 1688, 1730, 2110, 2440, 3460, 4220, 6920, 8440, 10553, 12871, 21106, 25742, 36503, 42212, 51484, 52765, 64355, 73006, 84424, 102968, 105530, 128710, 146012, 182515, 211060, 257420, 292024, 365030, 422120, 514840, 730060, 1460120, 2226683, 4453366, 8906732, 11133415, 17813464, 22266830, 44533660, 89067320]

約数ペア:

[(1, 89067320), (2, 44533660), (4, 22266830), (5, 17813464), (8, 11133415), (10, 8906732), (20, 4453366), (40, 2226683), (61, 1460120), (122, 730060), (173, 514840), (211, 422120), (244, 365030), (305, 292024), (346, 257420), (422, 211060), (488, 182515), (610, 146012), (692, 128710), (844, 105530), (865, 102968), (1055, 84424), (1220, 73006), (1384, 64355), (1688, 52765), (1730, 51484), (2110, 42212), (2440, 36503), (3460, 25742), (4220, 21106), (6920, 12871), (8440, 10553)]