201319689580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{165016139}}^1$

素因数の和:165016209

約数の個数: 24

約数和(自身を含む): 429702028560

約数和(自身を除く): 228382338980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 165016139, 330032278, 660064556, 825080695, 1650161390, 3300322780, 10065984479, 20131968958, 40263937916, 50329922395, 100659844790, 201319689580]

約数ペア:

[(1, 201319689580), (2, 100659844790), (4, 50329922395), (5, 40263937916), (10, 20131968958), (20, 10065984479), (61, 3300322780), (122, 1650161390), (244, 825080695), (305, 660064556), (610, 330032278), (1220, 165016139)]