2155123750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{132623}}^1$

素因数の和:132658

約数の個数: 40

約数和(自身を含む): 4350332448

約数和(自身を除く): 2195208698

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 132623, 265246, 663115, 1326230, 1724099, 3315575, 3448198, 6631150, 8620495, 16577875, 17240990, 33155750, 43102475, 82889375, 86204950, 165778750, 215512375, 431024750, 1077561875, 2155123750]

約数ペア:

[(1, 2155123750), (2, 1077561875), (5, 431024750), (10, 215512375), (13, 165778750), (25, 86204950), (26, 82889375), (50, 43102475), (65, 33155750), (125, 17240990), (130, 16577875), (250, 8620495), (325, 6631150), (625, 3448198), (650, 3315575), (1250, 1724099), (1625, 1326230), (3250, 663115), (8125, 265246), (16250, 132623)]