253569920

素因数分解:

$2^7\times 5^1\times {\mathrm{396203}}^1$

素因数の和:396222

約数の個数: 32

約数和(自身を含む): 606192120

約数和(自身を除く): 352622200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 396203, 792406, 1584812, 1981015, 3169624, 3962030, 6339248, 7924060, 12678496, 15848120, 25356992, 31696240, 50713984, 63392480, 126784960, 253569920]

約数ペア:

[(1, 253569920), (2, 126784960), (4, 63392480), (5, 50713984), (8, 31696240), (10, 25356992), (16, 15848120), (20, 12678496), (32, 7924060), (40, 6339248), (64, 3962030), (80, 3169624), (128, 1981015), (160, 1584812), (320, 792406), (640, 396203)]