16975520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^2$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 43008084

約数和(自身を除く): 26032564

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 79, 80, 85, 136, 158, 160, 170, 272, 316, 340, 395, 544, 632, 680, 790, 1264, 1343, 1360, 1580, 2528, 2686, 2720, 3160, 5372, 6241, 6320, 6715, 10744, 12482, 12640, 13430, 21488, 24964, 26860, 31205, 42976, 49928, 53720, 62410, 99856, 106097, 107440, 124820, 199712, 212194, 214880, 249640, 424388, 499280, 530485, 848776, 998560, 1060970, 1697552, 2121940, 3395104, 4243880, 8487760, 16975520]

約数ペア:

[(1, 16975520), (2, 8487760), (4, 4243880), (5, 3395104), (8, 2121940), (10, 1697552), (16, 1060970), (17, 998560), (20, 848776), (32, 530485), (34, 499280), (40, 424388), (68, 249640), (79, 214880), (80, 212194), (85, 199712), (136, 124820), (158, 107440), (160, 106097), (170, 99856), (272, 62410), (316, 53720), (340, 49928), (395, 42976), (544, 31205), (632, 26860), (680, 24964), (790, 21488), (1264, 13430), (1343, 12640), (1360, 12482), (1580, 10744), (2528, 6715), (2686, 6320), (2720, 6241), (3160, 5372)]