64534280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55633}}^1$

素因数の和:55673

約数の個数: 32

約数和(自身を含む): 150211800

約数和(自身を除く): 85677520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55633, 111266, 222532, 278165, 445064, 556330, 1112660, 1613357, 2225320, 3226714, 6453428, 8066785, 12906856, 16133570, 32267140, 64534280]

約数ペア:

[(1, 64534280), (2, 32267140), (4, 16133570), (5, 12906856), (8, 8066785), (10, 6453428), (20, 3226714), (29, 2225320), (40, 1613357), (58, 1112660), (116, 556330), (145, 445064), (232, 278165), (290, 222532), (580, 111266), (1160, 55633)]