106020980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 240597840

約数和(自身を除く): 134576860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 997, 1636, 1994, 2045, 3988, 4090, 4985, 5317, 8180, 9970, 10634, 12961, 19940, 21268, 25922, 26585, 51844, 53170, 64805, 106340, 129610, 259220, 407773, 815546, 1631092, 2038865, 4077730, 5301049, 8155460, 10602098, 21204196, 26505245, 53010490, 106020980]

約数ペア:

[(1, 106020980), (2, 53010490), (4, 26505245), (5, 21204196), (10, 10602098), (13, 8155460), (20, 5301049), (26, 4077730), (52, 2038865), (65, 1631092), (130, 815546), (260, 407773), (409, 259220), (818, 129610), (997, 106340), (1636, 64805), (1994, 53170), (2045, 51844), (3988, 26585), (4090, 25922), (4985, 21268), (5317, 19940), (8180, 12961), (9970, 10634)]