64790240

素因数分解:

$2^5\times 5^1\times {\mathrm{557}}^1\times {\mathrm{727}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 153552672

約数和(自身を除く): 88762432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 557, 727, 1114, 1454, 2228, 2785, 2908, 3635, 4456, 5570, 5816, 7270, 8912, 11140, 11632, 14540, 17824, 22280, 23264, 29080, 44560, 58160, 89120, 116320, 404939, 809878, 1619756, 2024695, 3239512, 4049390, 6479024, 8098780, 12958048, 16197560, 32395120, 64790240]

約数ペア:

[(1, 64790240), (2, 32395120), (4, 16197560), (5, 12958048), (8, 8098780), (10, 6479024), (16, 4049390), (20, 3239512), (32, 2024695), (40, 1619756), (80, 809878), (160, 404939), (557, 116320), (727, 89120), (1114, 58160), (1454, 44560), (2228, 29080), (2785, 23264), (2908, 22280), (3635, 17824), (4456, 14540), (5570, 11632), (5816, 11140), (7270, 8912)]