30945980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 71717184

約数和(自身を除く): 40771204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2903, 5330, 5806, 10660, 11612, 14515, 29030, 37739, 58060, 75478, 119023, 150956, 188695, 238046, 377390, 476092, 595115, 754780, 1190230, 1547299, 2380460, 3094598, 6189196, 7736495, 15472990, 30945980]

約数ペア:

[(1, 30945980), (2, 15472990), (4, 7736495), (5, 6189196), (10, 3094598), (13, 2380460), (20, 1547299), (26, 1190230), (41, 754780), (52, 595115), (65, 476092), (82, 377390), (130, 238046), (164, 188695), (205, 150956), (260, 119023), (410, 75478), (533, 58060), (820, 37739), (1066, 29030), (2132, 14515), (2665, 11612), (2903, 10660), (5330, 5806)]