2068396880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{75821}}^1$

素因数の和:75876

約数の個数: 80

約数和(自身を含む): 5415510528

約数和(自身を除く): 3347113648

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, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 75821, 151642, 303284, 379105, 606568, 758210, 834031, 1213136, 1516420, 1668062, 2350451, 3032840, 3336124, 4170155, 4700902, 6065680, 6672248, 8340310, 9401804, 11752255, 13344496, 16680620, 18803608, 23504510, 25854961, 33361240, 37607216, 47009020, 51709922, 66722480, 94018040, 103419844, 129274805, 188036080, 206839688, 258549610, 413679376, 517099220, 1034198440, 2068396880]

約数ペア:

[(1, 2068396880), (2, 1034198440), (4, 517099220), (5, 413679376), (8, 258549610), (10, 206839688), (11, 188036080), (16, 129274805), (20, 103419844), (22, 94018040), (31, 66722480), (40, 51709922), (44, 47009020), (55, 37607216), (62, 33361240), (80, 25854961), (88, 23504510), (110, 18803608), (124, 16680620), (155, 13344496), (176, 11752255), (220, 9401804), (248, 8340310), (310, 6672248), (341, 6065680), (440, 4700902), (496, 4170155), (620, 3336124), (682, 3032840), (880, 2350451), (1240, 1668062), (1364, 1516420), (1705, 1213136), (2480, 834031), (2728, 758210), (3410, 606568), (5456, 379105), (6820, 303284), (13640, 151642), (27280, 75821)]