82887760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 199232784

約数和(自身を除く): 116345024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 113, 173, 212, 226, 265, 346, 424, 452, 530, 565, 692, 848, 865, 904, 1060, 1130, 1384, 1730, 1808, 2120, 2260, 2768, 3460, 4240, 4520, 5989, 6920, 9040, 9169, 11978, 13840, 18338, 19549, 23956, 29945, 36676, 39098, 45845, 47912, 59890, 73352, 78196, 91690, 95824, 97745, 119780, 146704, 156392, 183380, 195490, 239560, 312784, 366760, 390980, 479120, 733520, 781960, 1036097, 1563920, 2072194, 4144388, 5180485, 8288776, 10360970, 16577552, 20721940, 41443880, 82887760]

約数ペア:

[(1, 82887760), (2, 41443880), (4, 20721940), (5, 16577552), (8, 10360970), (10, 8288776), (16, 5180485), (20, 4144388), (40, 2072194), (53, 1563920), (80, 1036097), (106, 781960), (113, 733520), (173, 479120), (212, 390980), (226, 366760), (265, 312784), (346, 239560), (424, 195490), (452, 183380), (530, 156392), (565, 146704), (692, 119780), (848, 97745), (865, 95824), (904, 91690), (1060, 78196), (1130, 73352), (1384, 59890), (1730, 47912), (1808, 45845), (2120, 39098), (2260, 36676), (2768, 29945), (3460, 23956), (4240, 19549), (4520, 18338), (5989, 13840), (6920, 11978), (9040, 9169)]