22396880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 58710528

約数和(自身を除く): 36313648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 821, 880, 1240, 1364, 1642, 1705, 2480, 2728, 3284, 3410, 4105, 5456, 6568, 6820, 8210, 9031, 13136, 13640, 16420, 18062, 25451, 27280, 32840, 36124, 45155, 50902, 65680, 72248, 90310, 101804, 127255, 144496, 180620, 203608, 254510, 279961, 361240, 407216, 509020, 559922, 722480, 1018040, 1119844, 1399805, 2036080, 2239688, 2799610, 4479376, 5599220, 11198440, 22396880]

約数ペア:

[(1, 22396880), (2, 11198440), (4, 5599220), (5, 4479376), (8, 2799610), (10, 2239688), (11, 2036080), (16, 1399805), (20, 1119844), (22, 1018040), (31, 722480), (40, 559922), (44, 509020), (55, 407216), (62, 361240), (80, 279961), (88, 254510), (110, 203608), (124, 180620), (155, 144496), (176, 127255), (220, 101804), (248, 90310), (310, 72248), (341, 65680), (440, 50902), (496, 45155), (620, 36124), (682, 32840), (821, 27280), (880, 25451), (1240, 18062), (1364, 16420), (1642, 13640), (1705, 13136), (2480, 9031), (2728, 8210), (3284, 6820), (3410, 6568), (4105, 5456)]