82016920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 195436800

約数和(自身を除く): 113419880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 311, 347, 380, 622, 694, 760, 1244, 1388, 1555, 1735, 2488, 2776, 3110, 3470, 5909, 6220, 6593, 6940, 11818, 12440, 13186, 13880, 23636, 26372, 29545, 32965, 47272, 52744, 59090, 65930, 107917, 118180, 131860, 215834, 236360, 263720, 431668, 539585, 863336, 1079170, 2050423, 2158340, 4100846, 4316680, 8201692, 10252115, 16403384, 20504230, 41008460, 82016920]

約数ペア:

[(1, 82016920), (2, 41008460), (4, 20504230), (5, 16403384), (8, 10252115), (10, 8201692), (19, 4316680), (20, 4100846), (38, 2158340), (40, 2050423), (76, 1079170), (95, 863336), (152, 539585), (190, 431668), (311, 263720), (347, 236360), (380, 215834), (622, 131860), (694, 118180), (760, 107917), (1244, 65930), (1388, 59090), (1555, 52744), (1735, 47272), (2488, 32965), (2776, 29545), (3110, 26372), (3470, 23636), (5909, 13880), (6220, 13186), (6593, 12440), (6940, 11818)]