2019977360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{4093}}^1$

素因数の和:4336

約数の個数: 80

約数和(自身を含む): 4873497600

約数和(自身を除く): 2853520240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 199, 248, 310, 398, 496, 620, 796, 995, 1240, 1592, 1990, 2480, 3184, 3980, 4093, 6169, 7960, 8186, 12338, 15920, 16372, 20465, 24676, 30845, 32744, 40930, 49352, 61690, 65488, 81860, 98704, 123380, 126883, 163720, 246760, 253766, 327440, 493520, 507532, 634415, 814507, 1015064, 1268830, 1629014, 2030128, 2537660, 3258028, 4072535, 5075320, 6516056, 8145070, 10150640, 13032112, 16290140, 25249717, 32580280, 50499434, 65160560, 100998868, 126248585, 201997736, 252497170, 403995472, 504994340, 1009988680, 2019977360]

約数ペア:

[(1, 2019977360), (2, 1009988680), (4, 504994340), (5, 403995472), (8, 252497170), (10, 201997736), (16, 126248585), (20, 100998868), (31, 65160560), (40, 50499434), (62, 32580280), (80, 25249717), (124, 16290140), (155, 13032112), (199, 10150640), (248, 8145070), (310, 6516056), (398, 5075320), (496, 4072535), (620, 3258028), (796, 2537660), (995, 2030128), (1240, 1629014), (1592, 1268830), (1990, 1015064), (2480, 814507), (3184, 634415), (3980, 507532), (4093, 493520), (6169, 327440), (7960, 253766), (8186, 246760), (12338, 163720), (15920, 126883), (16372, 123380), (20465, 98704), (24676, 81860), (30845, 65488), (32744, 61690), (40930, 49352)]