5321281520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{43963}}^1$

素因数の和:44082

約数の個数: 80

約数和(自身を含む): 13247232480

約数和(自身を除く): 7925950960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1780, 3026, 3560, 6052, 7120, 7565, 12104, 15130, 24208, 30260, 43963, 60520, 87926, 121040, 175852, 219815, 351704, 439630, 703408, 747371, 879260, 1494742, 1758520, 2989484, 3517040, 3736855, 3912707, 5978968, 7473710, 7825414, 11957936, 14947420, 15650828, 19563535, 29894840, 31301656, 39127070, 59789680, 62603312, 66516019, 78254140, 133032038, 156508280, 266064076, 313016560, 332580095, 532128152, 665160190, 1064256304, 1330320380, 2660640760, 5321281520]

約数ペア:

[(1, 5321281520), (2, 2660640760), (4, 1330320380), (5, 1064256304), (8, 665160190), (10, 532128152), (16, 332580095), (17, 313016560), (20, 266064076), (34, 156508280), (40, 133032038), (68, 78254140), (80, 66516019), (85, 62603312), (89, 59789680), (136, 39127070), (170, 31301656), (178, 29894840), (272, 19563535), (340, 15650828), (356, 14947420), (445, 11957936), (680, 7825414), (712, 7473710), (890, 5978968), (1360, 3912707), (1424, 3736855), (1513, 3517040), (1780, 2989484), (3026, 1758520), (3560, 1494742), (6052, 879260), (7120, 747371), (7565, 703408), (12104, 439630), (15130, 351704), (24208, 219815), (30260, 175852), (43963, 121040), (60520, 87926)]