1009988680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{4093}}^1$

素因数の和:4334

約数の個数: 64

約数和(自身を含む): 2358144000

約数和(自身を除く): 1348155320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 620, 796, 995, 1240, 1592, 1990, 3980, 4093, 6169, 7960, 8186, 12338, 16372, 20465, 24676, 30845, 32744, 40930, 49352, 61690, 81860, 123380, 126883, 163720, 246760, 253766, 507532, 634415, 814507, 1015064, 1268830, 1629014, 2537660, 3258028, 4072535, 5075320, 6516056, 8145070, 16290140, 25249717, 32580280, 50499434, 100998868, 126248585, 201997736, 252497170, 504994340, 1009988680]

約数ペア:

[(1, 1009988680), (2, 504994340), (4, 252497170), (5, 201997736), (8, 126248585), (10, 100998868), (20, 50499434), (31, 32580280), (40, 25249717), (62, 16290140), (124, 8145070), (155, 6516056), (199, 5075320), (248, 4072535), (310, 3258028), (398, 2537660), (620, 1629014), (796, 1268830), (995, 1015064), (1240, 814507), (1592, 634415), (1990, 507532), (3980, 253766), (4093, 246760), (6169, 163720), (7960, 126883), (8186, 123380), (12338, 81860), (16372, 61690), (20465, 49352), (24676, 40930), (30845, 32744)]