21167690080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109609}}^1$

素因数の和:109712

約数の個数: 96

約数和(自身を含む): 53696623680

約数和(自身を除く): 32528933600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 71, 80, 85, 136, 142, 160, 170, 272, 284, 340, 355, 544, 568, 680, 710, 1136, 1207, 1360, 1420, 2272, 2414, 2720, 2840, 4828, 5680, 6035, 9656, 11360, 12070, 19312, 24140, 38624, 48280, 96560, 109609, 193120, 219218, 438436, 548045, 876872, 1096090, 1753744, 1863353, 2192180, 3507488, 3726706, 4384360, 7453412, 7782239, 8768720, 9316765, 14906824, 15564478, 17537440, 18633530, 29813648, 31128956, 37267060, 38911195, 59627296, 62257912, 74534120, 77822390, 124515824, 132298063, 149068240, 155644780, 249031648, 264596126, 298136480, 311289560, 529192252, 622579120, 661490315, 1058384504, 1245158240, 1322980630, 2116769008, 2645961260, 4233538016, 5291922520, 10583845040, 21167690080]

約数ペア:

[(1, 21167690080), (2, 10583845040), (4, 5291922520), (5, 4233538016), (8, 2645961260), (10, 2116769008), (16, 1322980630), (17, 1245158240), (20, 1058384504), (32, 661490315), (34, 622579120), (40, 529192252), (68, 311289560), (71, 298136480), (80, 264596126), (85, 249031648), (136, 155644780), (142, 149068240), (160, 132298063), (170, 124515824), (272, 77822390), (284, 74534120), (340, 62257912), (355, 59627296), (544, 38911195), (568, 37267060), (680, 31128956), (710, 29813648), (1136, 18633530), (1207, 17537440), (1360, 15564478), (1420, 14906824), (2272, 9316765), (2414, 8768720), (2720, 7782239), (2840, 7453412), (4828, 4384360), (5680, 3726706), (6035, 3507488), (9656, 2192180), (11360, 1863353), (12070, 1753744), (19312, 1096090), (24140, 876872), (38624, 548045), (48280, 438436), (96560, 219218), (109609, 193120)]