2013758680

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1\times {\mathrm{601}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 4571491680

約数和(自身を除く): 2557733000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 397, 422, 601, 794, 844, 1055, 1202, 1588, 1688, 1985, 2110, 2404, 3005, 3176, 3970, 4220, 4808, 6010, 7940, 8440, 12020, 15880, 24040, 83767, 126811, 167534, 238597, 253622, 335068, 418835, 477194, 507244, 634055, 670136, 837670, 954388, 1014488, 1192985, 1268110, 1675340, 1908776, 2385970, 2536220, 3350680, 4771940, 5072440, 9543880, 50343967, 100687934, 201375868, 251719835, 402751736, 503439670, 1006879340, 2013758680]

約数ペア:

[(1, 2013758680), (2, 1006879340), (4, 503439670), (5, 402751736), (8, 251719835), (10, 201375868), (20, 100687934), (40, 50343967), (211, 9543880), (397, 5072440), (422, 4771940), (601, 3350680), (794, 2536220), (844, 2385970), (1055, 1908776), (1202, 1675340), (1588, 1268110), (1688, 1192985), (1985, 1014488), (2110, 954388), (2404, 837670), (3005, 670136), (3176, 634055), (3970, 507244), (4220, 477194), (4808, 418835), (6010, 335068), (7940, 253622), (8440, 238597), (12020, 167534), (15880, 126811), (24040, 83767)]