100920.0000000

素因数分解:

$2^{13}\times 5^1\times {\mathrm{41}}^1$

素因数の和:72

約数の個数: 56

約数和(自身を含む): 4128516

約数和(自身を除く): 2449156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1280, 1312, 1640, 2048, 2560, 2624, 3280, 4096, 5120, 5248, 6560, 8192, 10240, 10496, 13120, 20480, 20992, 26240, 40960, 41984, 52480, 83968, 104960, 167936, 209920, 335872, 419840, 839680, 1679360]

約数ペア:

[(1, 1679360), (2, 839680), (4, 419840), (5, 335872), (8, 209920), (10, 167936), (16, 104960), (20, 83968), (32, 52480), (40, 41984), (41, 40960), (64, 26240), (80, 20992), (82, 20480), (128, 13120), (160, 10496), (164, 10240), (205, 8192), (256, 6560), (320, 5248), (328, 5120), (410, 4096), (512, 3280), (640, 2624), (656, 2560), (820, 2048), (1024, 1640), (1280, 1312)]