99619840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19457}}^1$

素因数の和:19482

約数の個数: 44

約数和(自身を含む): 238983156

約数和(自身を除く): 139363316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 19457, 38914, 77828, 97285, 155656, 194570, 311312, 389140, 622624, 778280, 1245248, 1556560, 2490496, 3113120, 4980992, 6226240, 9961984, 12452480, 19923968, 24904960, 49809920, 99619840]

約数ペア:

[(1, 99619840), (2, 49809920), (4, 24904960), (5, 19923968), (8, 12452480), (10, 9961984), (16, 6226240), (20, 4980992), (32, 3113120), (40, 2490496), (64, 1556560), (80, 1245248), (128, 778280), (160, 622624), (256, 389140), (320, 311312), (512, 194570), (640, 155656), (1024, 97285), (1280, 77828), (2560, 38914), (5120, 19457)]