144583960

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5639}}^1$

素因数の和:6291

約数の個数: 32

約数和(自身を含む): 325879200

約数和(自身を除く): 181295240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 5639, 6410, 11278, 12820, 22556, 25640, 28195, 45112, 56390, 112780, 225560, 3614599, 7229198, 14458396, 18072995, 28916792, 36145990, 72291980, 144583960]

約数ペア:

[(1, 144583960), (2, 72291980), (4, 36145990), (5, 28916792), (8, 18072995), (10, 14458396), (20, 7229198), (40, 3614599), (641, 225560), (1282, 112780), (2564, 56390), (3205, 45112), (5128, 28195), (5639, 25640), (6410, 22556), (11278, 12820)]