16576820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 21337420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 619, 1030, 1238, 1339, 2060, 2476, 2678, 3095, 5356, 6190, 6695, 8047, 12380, 13390, 16094, 26780, 32188, 40235, 63757, 80470, 127514, 160940, 255028, 318785, 637570, 828841, 1275140, 1657682, 3315364, 4144205, 8288410, 16576820]

約数ペア:

[(1, 16576820), (2, 8288410), (4, 4144205), (5, 3315364), (10, 1657682), (13, 1275140), (20, 828841), (26, 637570), (52, 318785), (65, 255028), (103, 160940), (130, 127514), (206, 80470), (260, 63757), (412, 40235), (515, 32188), (619, 26780), (1030, 16094), (1238, 13390), (1339, 12380), (2060, 8047), (2476, 6695), (2678, 6190), (3095, 5356)]