201218560

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1053

約数の個数: 80

約数和(自身を含む): 488781216

約数和(自身を除く): 287562656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 512, 640, 664, 830, 947, 1280, 1328, 1660, 1894, 2560, 2656, 3320, 3788, 4735, 5312, 6640, 7576, 9470, 10624, 13280, 15152, 18940, 21248, 26560, 30304, 37880, 42496, 53120, 60608, 75760, 78601, 106240, 121216, 151520, 157202, 212480, 242432, 303040, 314404, 393005, 484864, 606080, 628808, 786010, 1212160, 1257616, 1572020, 2424320, 2515232, 3144040, 5030464, 6288080, 10060928, 12576160, 20121856, 25152320, 40243712, 50304640, 100609280, 201218560]

約数ペア:

[(1, 201218560), (2, 100609280), (4, 50304640), (5, 40243712), (8, 25152320), (10, 20121856), (16, 12576160), (20, 10060928), (32, 6288080), (40, 5030464), (64, 3144040), (80, 2515232), (83, 2424320), (128, 1572020), (160, 1257616), (166, 1212160), (256, 786010), (320, 628808), (332, 606080), (415, 484864), (512, 393005), (640, 314404), (664, 303040), (830, 242432), (947, 212480), (1280, 157202), (1328, 151520), (1660, 121216), (1894, 106240), (2560, 78601), (2656, 75760), (3320, 60608), (3788, 53120), (4735, 42496), (5312, 37880), (6640, 30304), (7576, 26560), (9470, 21248), (10624, 18940), (13280, 15152)]