25813120

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 62956440

約数和(自身を除く): 37143320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 761, 848, 1060, 1522, 1696, 2120, 3044, 3392, 3805, 4240, 6088, 6784, 7610, 8480, 12176, 15220, 16960, 24352, 30440, 33920, 40333, 48704, 60880, 80666, 97408, 121760, 161332, 201665, 243520, 322664, 403330, 487040, 645328, 806660, 1290656, 1613320, 2581312, 3226640, 5162624, 6453280, 12906560, 25813120]

約数ペア:

[(1, 25813120), (2, 12906560), (4, 6453280), (5, 5162624), (8, 3226640), (10, 2581312), (16, 1613320), (20, 1290656), (32, 806660), (40, 645328), (53, 487040), (64, 403330), (80, 322664), (106, 243520), (128, 201665), (160, 161332), (212, 121760), (265, 97408), (320, 80666), (424, 60880), (530, 48704), (640, 40333), (761, 33920), (848, 30440), (1060, 24352), (1522, 16960), (1696, 15220), (2120, 12176), (3044, 8480), (3392, 7610), (3805, 6784), (4240, 6088)]