69988480

素因数分解:

$2^7\times 5^1\times {\mathrm{109357}}^1$

素因数の和:109376

約数の個数: 32

約数和(自身を含む): 167317740

約数和(自身を除く): 97329260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 109357, 218714, 437428, 546785, 874856, 1093570, 1749712, 2187140, 3499424, 4374280, 6998848, 8748560, 13997696, 17497120, 34994240, 69988480]

約数ペア:

[(1, 69988480), (2, 34994240), (4, 17497120), (5, 13997696), (8, 8748560), (10, 6998848), (16, 4374280), (20, 3499424), (32, 2187140), (40, 1749712), (64, 1093570), (80, 874856), (128, 546785), (160, 437428), (320, 218714), (640, 109357)]