2012017660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{66491}}^1$

素因数の和:66606

約数の個数: 48

約数和(自身を含む): 4524115680

約数和(自身を除く): 2512098020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 66491, 132982, 265964, 332455, 664910, 1130347, 1329820, 2260694, 4521388, 5651735, 5917699, 11303470, 11835398, 22606940, 23670796, 29588495, 59176990, 100600883, 118353980, 201201766, 402403532, 503004415, 1006008830, 2012017660]

約数ペア:

[(1, 2012017660), (2, 1006008830), (4, 503004415), (5, 402403532), (10, 201201766), (17, 118353980), (20, 100600883), (34, 59176990), (68, 29588495), (85, 23670796), (89, 22606940), (170, 11835398), (178, 11303470), (340, 5917699), (356, 5651735), (445, 4521388), (890, 2260694), (1513, 1329820), (1780, 1130347), (3026, 664910), (6052, 332455), (7565, 265964), (15130, 132982), (30260, 66491)]