212500130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{991}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 392974848

約数和(自身を除く): 180474718

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 523, 991, 1046, 1982, 2615, 4955, 5230, 9910, 21443, 40631, 42886, 81262, 107215, 203155, 214430, 406310, 518293, 1036586, 2591465, 5182930, 21250013, 42500026, 106250065, 212500130]

約数ペア:

[(1, 212500130), (2, 106250065), (5, 42500026), (10, 21250013), (41, 5182930), (82, 2591465), (205, 1036586), (410, 518293), (523, 406310), (991, 214430), (1046, 203155), (1982, 107215), (2615, 81262), (4955, 42886), (5230, 40631), (9910, 21443)]