20147987500

素因数分解:

$2^2\times 5^5\times {\mathrm{457}}^1\times {\mathrm{3527}}^1$

素因数の和:4013

約数の個数: 72

約数和(自身を含む): 44179859808

約数和(自身を除く): 24031872308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 457, 500, 625, 914, 1250, 1828, 2285, 2500, 3125, 3527, 4570, 6250, 7054, 9140, 11425, 12500, 14108, 17635, 22850, 35270, 45700, 57125, 70540, 88175, 114250, 176350, 228500, 285625, 352700, 440875, 571250, 881750, 1142500, 1428125, 1611839, 1763500, 2204375, 2856250, 3223678, 4408750, 5712500, 6447356, 8059195, 8817500, 11021875, 16118390, 22043750, 32236780, 40295975, 44087500, 80591950, 161183900, 201479875, 402959750, 805919500, 1007399375, 2014798750, 4029597500, 5036996875, 10073993750, 20147987500]

約数ペア:

[(1, 20147987500), (2, 10073993750), (4, 5036996875), (5, 4029597500), (10, 2014798750), (20, 1007399375), (25, 805919500), (50, 402959750), (100, 201479875), (125, 161183900), (250, 80591950), (457, 44087500), (500, 40295975), (625, 32236780), (914, 22043750), (1250, 16118390), (1828, 11021875), (2285, 8817500), (2500, 8059195), (3125, 6447356), (3527, 5712500), (4570, 4408750), (6250, 3223678), (7054, 2856250), (9140, 2204375), (11425, 1763500), (12500, 1611839), (14108, 1428125), (17635, 1142500), (22850, 881750), (35270, 571250), (45700, 440875), (57125, 352700), (70540, 285625), (88175, 228500), (114250, 176350)]