1625047775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 2216524800

約数和(自身を除く): 591477025

約数列:

[1, 5, 13, 25, 65, 79, 167, 325, 379, 395, 835, 1027, 1895, 1975, 2171, 4175, 4927, 5135, 9475, 10855, 13193, 24635, 25675, 29941, 54275, 63293, 65965, 123175, 149705, 171509, 316465, 329825, 389233, 748525, 822809, 857545, 1582325, 1946165, 4114045, 4287725, 5000147, 9730825, 20570225, 25000735, 65001911, 125003675, 325009555, 1625047775]

約数ペア:

[(1, 1625047775), (5, 325009555), (13, 125003675), (25, 65001911), (65, 25000735), (79, 20570225), (167, 9730825), (325, 5000147), (379, 4287725), (395, 4114045), (835, 1946165), (1027, 1582325), (1895, 857545), (1975, 822809), (2171, 748525), (4175, 389233), (4927, 329825), (5135, 316465), (9475, 171509), (10855, 149705), (13193, 123175), (24635, 65965), (25675, 63293), (29941, 54275)]