31239680

素因数分解:

$2^9\times 5^1\times {\mathrm{12203}}^1$

素因数の和:12226

約数の個数: 40

約数和(自身を含む): 74908152

約数和(自身を除く): 43668472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12203, 24406, 48812, 61015, 97624, 122030, 195248, 244060, 390496, 488120, 780992, 976240, 1561984, 1952480, 3123968, 3904960, 6247936, 7809920, 15619840, 31239680]

約数ペア:

[(1, 31239680), (2, 15619840), (4, 7809920), (5, 6247936), (8, 3904960), (10, 3123968), (16, 1952480), (20, 1561984), (32, 976240), (40, 780992), (64, 488120), (80, 390496), (128, 244060), (160, 195248), (256, 122030), (320, 97624), (512, 61015), (640, 48812), (1280, 24406), (2560, 12203)]