54478160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 142705152

約数和(自身を除く): 88226992

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, 1997, 2480, 2728, 3410, 3994, 5456, 6820, 7988, 9985, 13640, 15976, 19970, 21967, 27280, 31952, 39940, 43934, 61907, 79880, 87868, 109835, 123814, 159760, 175736, 219670, 247628, 309535, 351472, 439340, 495256, 619070, 680977, 878680, 990512, 1238140, 1361954, 1757360, 2476280, 2723908, 3404885, 4952560, 5447816, 6809770, 10895632, 13619540, 27239080, 54478160]

約数ペア:

[(1, 54478160), (2, 27239080), (4, 13619540), (5, 10895632), (8, 6809770), (10, 5447816), (11, 4952560), (16, 3404885), (20, 2723908), (22, 2476280), (31, 1757360), (40, 1361954), (44, 1238140), (55, 990512), (62, 878680), (80, 680977), (88, 619070), (110, 495256), (124, 439340), (155, 351472), (176, 309535), (220, 247628), (248, 219670), (310, 175736), (341, 159760), (440, 123814), (496, 109835), (620, 87868), (682, 79880), (880, 61907), (1240, 43934), (1364, 39940), (1705, 31952), (1997, 27280), (2480, 21967), (2728, 19970), (3410, 15976), (3994, 13640), (5456, 9985), (6820, 7988)]