2115440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 5083008

約数和(自身を除く): 2967568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 853, 1240, 1706, 2480, 3412, 4265, 6824, 8530, 13648, 17060, 26443, 34120, 52886, 68240, 105772, 132215, 211544, 264430, 423088, 528860, 1057720, 2115440]

約数ペア:

[(1, 2115440), (2, 1057720), (4, 528860), (5, 423088), (8, 264430), (10, 211544), (16, 132215), (20, 105772), (31, 68240), (40, 52886), (62, 34120), (80, 26443), (124, 17060), (155, 13648), (248, 8530), (310, 6824), (496, 4265), (620, 3412), (853, 2480), (1240, 1706)]