1432404920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{139339}}^1$

素因数の和:139607

約数の個数: 32

約数和(自身を含む): 3235474800

約数和(自身を除く): 1803069880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 139339, 278678, 557356, 696695, 1114712, 1393390, 2786780, 5573560, 35810123, 71620246, 143240492, 179050615, 286480984, 358101230, 716202460, 1432404920]

約数ペア:

[(1, 1432404920), (2, 716202460), (4, 358101230), (5, 286480984), (8, 179050615), (10, 143240492), (20, 71620246), (40, 35810123), (257, 5573560), (514, 2786780), (1028, 1393390), (1285, 1114712), (2056, 696695), (2570, 557356), (5140, 278678), (10280, 139339)]