72425860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278561}}^1$

素因数の和:278583

約数の個数: 24

約数和(自身を含む): 163794456

約数和(自身を除く): 91368596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 278561, 557122, 1114244, 1392805, 2785610, 3621293, 5571220, 7242586, 14485172, 18106465, 36212930, 72425860]

約数ペア:

[(1, 72425860), (2, 36212930), (4, 18106465), (5, 14485172), (10, 7242586), (13, 5571220), (20, 3621293), (26, 2785610), (52, 1392805), (65, 1114244), (130, 557122), (260, 278561)]