2040807440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{6473}}^1$

素因数の和:7056

約数の個数: 80

約数和(自身を含む): 5433187968

約数和(自身を除く): 3392380528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 563, 1126, 2252, 2815, 3941, 4504, 5630, 6473, 7882, 9008, 11260, 12946, 15764, 19705, 22520, 25892, 31528, 32365, 39410, 45040, 45311, 51784, 63056, 64730, 78820, 90622, 103568, 129460, 157640, 181244, 226555, 258920, 315280, 362488, 453110, 517840, 724976, 906220, 1812440, 3624880, 3644299, 7288598, 14577196, 18221495, 25510093, 29154392, 36442990, 51020186, 58308784, 72885980, 102040372, 127550465, 145771960, 204080744, 255100930, 291543920, 408161488, 510201860, 1020403720, 2040807440]

約数ペア:

[(1, 2040807440), (2, 1020403720), (4, 510201860), (5, 408161488), (7, 291543920), (8, 255100930), (10, 204080744), (14, 145771960), (16, 127550465), (20, 102040372), (28, 72885980), (35, 58308784), (40, 51020186), (56, 36442990), (70, 29154392), (80, 25510093), (112, 18221495), (140, 14577196), (280, 7288598), (560, 3644299), (563, 3624880), (1126, 1812440), (2252, 906220), (2815, 724976), (3941, 517840), (4504, 453110), (5630, 362488), (6473, 315280), (7882, 258920), (9008, 226555), (11260, 181244), (12946, 157640), (15764, 129460), (19705, 103568), (22520, 90622), (25892, 78820), (31528, 64730), (32365, 63056), (39410, 51784), (45040, 45311)]