145354240

素因数分解:

$2^9\times 5^1\times {\mathrm{56779}}^1$

素因数の和:56802

約数の個数: 40

約数和(自身を含む): 348515640

約数和(自身を除く): 203161400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 56779, 113558, 227116, 283895, 454232, 567790, 908464, 1135580, 1816928, 2271160, 3633856, 4542320, 7267712, 9084640, 14535424, 18169280, 29070848, 36338560, 72677120, 145354240]

約数ペア:

[(1, 145354240), (2, 72677120), (4, 36338560), (5, 29070848), (8, 18169280), (10, 14535424), (16, 9084640), (20, 7267712), (32, 4542320), (40, 3633856), (64, 2271160), (80, 1816928), (128, 1135580), (160, 908464), (256, 567790), (320, 454232), (512, 283895), (640, 227116), (1280, 113558), (2560, 56779)]