156989440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{15331}}^1$

素因数の和:15358

約数の個数: 48

約数和(自身を含む): 376707240

約数和(自身を除く): 219717800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 15331, 30662, 61324, 76655, 122648, 153310, 245296, 306620, 490592, 613240, 981184, 1226480, 1962368, 2452960, 3924736, 4905920, 7849472, 9811840, 15698944, 19623680, 31397888, 39247360, 78494720, 156989440]

約数ペア:

[(1, 156989440), (2, 78494720), (4, 39247360), (5, 31397888), (8, 19623680), (10, 15698944), (16, 9811840), (20, 7849472), (32, 4905920), (40, 3924736), (64, 2452960), (80, 1962368), (128, 1226480), (160, 981184), (256, 613240), (320, 490592), (512, 306620), (640, 245296), (1024, 153310), (1280, 122648), (2048, 76655), (2560, 61324), (5120, 30662), (10240, 15331)]