128122040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{233}}^2$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 294424200

約数和(自身を除く): 166302160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 233, 236, 295, 466, 472, 590, 932, 1165, 1180, 1864, 2330, 2360, 4660, 9320, 13747, 27494, 54289, 54988, 68735, 108578, 109976, 137470, 217156, 271445, 274940, 434312, 542890, 549880, 1085780, 2171560, 3203051, 6406102, 12812204, 16015255, 25624408, 32030510, 64061020, 128122040]

約数ペア:

[(1, 128122040), (2, 64061020), (4, 32030510), (5, 25624408), (8, 16015255), (10, 12812204), (20, 6406102), (40, 3203051), (59, 2171560), (118, 1085780), (233, 549880), (236, 542890), (295, 434312), (466, 274940), (472, 271445), (590, 217156), (932, 137470), (1165, 109976), (1180, 108578), (1864, 68735), (2330, 54988), (2360, 54289), (4660, 27494), (9320, 13747)]