66164020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 150243408

約数和(自身を除く): 84079388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 641, 794, 1282, 1588, 1985, 2564, 3205, 3970, 5161, 6410, 7940, 8333, 10322, 12820, 16666, 20644, 25805, 33332, 41665, 51610, 83330, 103220, 166660, 254477, 508954, 1017908, 1272385, 2544770, 3308201, 5089540, 6616402, 13232804, 16541005, 33082010, 66164020]

約数ペア:

[(1, 66164020), (2, 33082010), (4, 16541005), (5, 13232804), (10, 6616402), (13, 5089540), (20, 3308201), (26, 2544770), (52, 1272385), (65, 1017908), (130, 508954), (260, 254477), (397, 166660), (641, 103220), (794, 83330), (1282, 51610), (1588, 41665), (1985, 33332), (2564, 25805), (3205, 20644), (3970, 16666), (5161, 12820), (6410, 10322), (7940, 8333)]