72858880

素因数分解:

$2^8\times 5^1\times {\mathrm{56921}}^1$

素因数の和:56942

約数の個数: 36

約数和(自身を含む): 174522852

約数和(自身を除く): 101663972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56921, 113842, 227684, 284605, 455368, 569210, 910736, 1138420, 1821472, 2276840, 3642944, 4553680, 7285888, 9107360, 14571776, 18214720, 36429440, 72858880]

約数ペア:

[(1, 72858880), (2, 36429440), (4, 18214720), (5, 14571776), (8, 9107360), (10, 7285888), (16, 4553680), (20, 3642944), (32, 2276840), (40, 1821472), (64, 1138420), (80, 910736), (128, 569210), (160, 455368), (256, 284605), (320, 227684), (640, 113842), (1280, 56921)]