83159920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 209236608

約数和(自身を除く): 126076688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1301, 1360, 1598, 1880, 2602, 3196, 3760, 3995, 5204, 6392, 6505, 7990, 10408, 12784, 13010, 15980, 20816, 22117, 26020, 31960, 44234, 52040, 61147, 63920, 88468, 104080, 110585, 122294, 176936, 221170, 244588, 305735, 353872, 442340, 489176, 611470, 884680, 978352, 1039499, 1222940, 1769360, 2078998, 2445880, 4157996, 4891760, 5197495, 8315992, 10394990, 16631984, 20789980, 41579960, 83159920]

約数ペア:

[(1, 83159920), (2, 41579960), (4, 20789980), (5, 16631984), (8, 10394990), (10, 8315992), (16, 5197495), (17, 4891760), (20, 4157996), (34, 2445880), (40, 2078998), (47, 1769360), (68, 1222940), (80, 1039499), (85, 978352), (94, 884680), (136, 611470), (170, 489176), (188, 442340), (235, 353872), (272, 305735), (340, 244588), (376, 221170), (470, 176936), (680, 122294), (752, 110585), (799, 104080), (940, 88468), (1301, 63920), (1360, 61147), (1598, 52040), (1880, 44234), (2602, 31960), (3196, 26020), (3760, 22117), (3995, 20816), (5204, 15980), (6392, 13010), (6505, 12784), (7990, 10408)]