10179980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 22208256

約数和(自身を除く): 12028276

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 107, 134, 142, 214, 268, 284, 335, 355, 428, 535, 670, 710, 1070, 1340, 1420, 2140, 4757, 7169, 7597, 9514, 14338, 15194, 19028, 23785, 28676, 30388, 35845, 37985, 47570, 71690, 75970, 95140, 143380, 151940, 508999, 1017998, 2035996, 2544995, 5089990, 10179980]

約数ペア:

[(1, 10179980), (2, 5089990), (4, 2544995), (5, 2035996), (10, 1017998), (20, 508999), (67, 151940), (71, 143380), (107, 95140), (134, 75970), (142, 71690), (214, 47570), (268, 37985), (284, 35845), (335, 30388), (355, 28676), (428, 23785), (535, 19028), (670, 15194), (710, 14338), (1070, 9514), (1340, 7597), (1420, 7169), (2140, 4757)]