31540480

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 77520744

約数和(自身を除く): 45980264

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, 601, 640, 656, 820, 1202, 1280, 1312, 1640, 2404, 2624, 3005, 3280, 4808, 5248, 6010, 6560, 9616, 10496, 12020, 13120, 19232, 24040, 24641, 26240, 38464, 48080, 49282, 52480, 76928, 96160, 98564, 123205, 153856, 192320, 197128, 246410, 384640, 394256, 492820, 769280, 788512, 985640, 1577024, 1971280, 3154048, 3942560, 6308096, 7885120, 15770240, 31540480]

約数ペア:

[(1, 31540480), (2, 15770240), (4, 7885120), (5, 6308096), (8, 3942560), (10, 3154048), (16, 1971280), (20, 1577024), (32, 985640), (40, 788512), (41, 769280), (64, 492820), (80, 394256), (82, 384640), (128, 246410), (160, 197128), (164, 192320), (205, 153856), (256, 123205), (320, 98564), (328, 96160), (410, 76928), (601, 52480), (640, 49282), (656, 48080), (820, 38464), (1202, 26240), (1280, 24641), (1312, 24040), (1640, 19232), (2404, 13120), (2624, 12020), (3005, 10496), (3280, 9616), (4808, 6560), (5248, 6010)]