16801840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 43452576

約数和(自身を除く): 26650736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 313, 440, 488, 610, 626, 671, 880, 976, 1220, 1252, 1342, 1565, 2440, 2504, 2684, 3130, 3355, 3443, 4880, 5008, 5368, 6260, 6710, 6886, 10736, 12520, 13420, 13772, 17215, 19093, 25040, 26840, 27544, 34430, 38186, 53680, 55088, 68860, 76372, 95465, 137720, 152744, 190930, 210023, 275440, 305488, 381860, 420046, 763720, 840092, 1050115, 1527440, 1680184, 2100230, 3360368, 4200460, 8400920, 16801840]

約数ペア:

[(1, 16801840), (2, 8400920), (4, 4200460), (5, 3360368), (8, 2100230), (10, 1680184), (11, 1527440), (16, 1050115), (20, 840092), (22, 763720), (40, 420046), (44, 381860), (55, 305488), (61, 275440), (80, 210023), (88, 190930), (110, 152744), (122, 137720), (176, 95465), (220, 76372), (244, 68860), (305, 55088), (313, 53680), (440, 38186), (488, 34430), (610, 27544), (626, 26840), (671, 25040), (880, 19093), (976, 17215), (1220, 13772), (1252, 13420), (1342, 12520), (1565, 10736), (2440, 6886), (2504, 6710), (2684, 6260), (3130, 5368), (3355, 5008), (3443, 4880)]