20434000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 80

約数和(自身を含む): 52402896

約数和(自身を除く): 31968896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 601, 680, 850, 1000, 1202, 1360, 1700, 2000, 2125, 2404, 3005, 3400, 4250, 4808, 6010, 6800, 8500, 9616, 10217, 12020, 15025, 17000, 20434, 24040, 30050, 34000, 40868, 48080, 51085, 60100, 75125, 81736, 102170, 120200, 150250, 163472, 204340, 240400, 255425, 300500, 408680, 510850, 601000, 817360, 1021700, 1202000, 1277125, 2043400, 2554250, 4086800, 5108500, 10217000, 20434000]

約数ペア:

[(1, 20434000), (2, 10217000), (4, 5108500), (5, 4086800), (8, 2554250), (10, 2043400), (16, 1277125), (17, 1202000), (20, 1021700), (25, 817360), (34, 601000), (40, 510850), (50, 408680), (68, 300500), (80, 255425), (85, 240400), (100, 204340), (125, 163472), (136, 150250), (170, 120200), (200, 102170), (250, 81736), (272, 75125), (340, 60100), (400, 51085), (425, 48080), (500, 40868), (601, 34000), (680, 30050), (850, 24040), (1000, 20434), (1202, 17000), (1360, 15025), (1700, 12020), (2000, 10217), (2125, 9616), (2404, 8500), (3005, 6800), (3400, 6010), (4250, 4808)]