20151639140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{8263}}^1$

素因数の和:10332

約数の個数: 48

約数和(自身を含む): 43038912000

約数和(自身を除く): 22887272860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1999, 3998, 7996, 8263, 9995, 16526, 19990, 33052, 39980, 41315, 82630, 121939, 165260, 243878, 487756, 504043, 609695, 1008086, 1219390, 2016172, 2438780, 2520215, 5040430, 10080860, 16517737, 33035474, 66070948, 82588685, 165177370, 330354740, 1007581957, 2015163914, 4030327828, 5037909785, 10075819570, 20151639140]

約数ペア:

[(1, 20151639140), (2, 10075819570), (4, 5037909785), (5, 4030327828), (10, 2015163914), (20, 1007581957), (61, 330354740), (122, 165177370), (244, 82588685), (305, 66070948), (610, 33035474), (1220, 16517737), (1999, 10080860), (3998, 5040430), (7996, 2520215), (8263, 2438780), (9995, 2016172), (16526, 1219390), (19990, 1008086), (33052, 609695), (39980, 504043), (41315, 487756), (82630, 243878), (121939, 165260)]