77466880

素因数分解:

$2^8\times 5^1\times {\mathrm{60521}}^1$

素因数の和:60542

約数の個数: 36

約数和(自身を含む): 185560452

約数和(自身を除く): 108093572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 60521, 121042, 242084, 302605, 484168, 605210, 968336, 1210420, 1936672, 2420840, 3873344, 4841680, 7746688, 9683360, 15493376, 19366720, 38733440, 77466880]

約数ペア:

[(1, 77466880), (2, 38733440), (4, 19366720), (5, 15493376), (8, 9683360), (10, 7746688), (16, 4841680), (20, 3873344), (32, 2420840), (40, 1936672), (64, 1210420), (80, 968336), (128, 605210), (160, 484168), (256, 302605), (320, 242084), (640, 121042), (1280, 60521)]