128174240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9001}}^1$

素因数の和:9105

約数の個数: 48

約数和(自身を含む): 306248040

約数和(自身を除く): 178073800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 9001, 14240, 18002, 36004, 45005, 72008, 90010, 144016, 180020, 288032, 360040, 720080, 801089, 1440160, 1602178, 3204356, 4005445, 6408712, 8010890, 12817424, 16021780, 25634848, 32043560, 64087120, 128174240]

約数ペア:

[(1, 128174240), (2, 64087120), (4, 32043560), (5, 25634848), (8, 16021780), (10, 12817424), (16, 8010890), (20, 6408712), (32, 4005445), (40, 3204356), (80, 1602178), (89, 1440160), (160, 801089), (178, 720080), (356, 360040), (445, 288032), (712, 180020), (890, 144016), (1424, 90010), (1780, 72008), (2848, 45005), (3560, 36004), (7120, 18002), (9001, 14240)]