120021980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4759}}^1$

素因数の和:4878

約数の個数: 48

約数和(自身を含む): 274290240

約数和(自身を除く): 154268260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 4759, 5044, 6305, 9518, 12610, 19036, 23795, 25220, 47590, 61867, 95180, 123734, 247468, 309335, 461623, 618670, 923246, 1237340, 1846492, 2308115, 4616230, 6001099, 9232460, 12002198, 24004396, 30005495, 60010990, 120021980]

約数ペア:

[(1, 120021980), (2, 60010990), (4, 30005495), (5, 24004396), (10, 12002198), (13, 9232460), (20, 6001099), (26, 4616230), (52, 2308115), (65, 1846492), (97, 1237340), (130, 923246), (194, 618670), (260, 461623), (388, 309335), (485, 247468), (970, 123734), (1261, 95180), (1940, 61867), (2522, 47590), (4759, 25220), (5044, 23795), (6305, 19036), (9518, 12610)]