27996100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 68495616

約数和(自身を除く): 40499516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 821, 1100, 1364, 1550, 1642, 1705, 3100, 3284, 3410, 4105, 6820, 8210, 8525, 9031, 16420, 17050, 18062, 20525, 25451, 34100, 36124, 41050, 45155, 50902, 82100, 90310, 101804, 127255, 180620, 225775, 254510, 279961, 451550, 509020, 559922, 636275, 903100, 1119844, 1272550, 1399805, 2545100, 2799610, 5599220, 6999025, 13998050, 27996100]

約数ペア:

[(1, 27996100), (2, 13998050), (4, 6999025), (5, 5599220), (10, 2799610), (11, 2545100), (20, 1399805), (22, 1272550), (25, 1119844), (31, 903100), (44, 636275), (50, 559922), (55, 509020), (62, 451550), (100, 279961), (110, 254510), (124, 225775), (155, 180620), (220, 127255), (275, 101804), (310, 90310), (341, 82100), (550, 50902), (620, 45155), (682, 41050), (775, 36124), (821, 34100), (1100, 25451), (1364, 20525), (1550, 18062), (1642, 17050), (1705, 16420), (3100, 9031), (3284, 8525), (3410, 8210), (4105, 6820)]