16428440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 44098560

約数和(自身を除く): 27670120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2551, 3220, 5102, 6440, 10204, 12755, 17857, 20408, 25510, 35714, 51020, 58673, 71428, 89285, 102040, 117346, 142856, 178570, 234692, 293365, 357140, 410711, 469384, 586730, 714280, 821422, 1173460, 1642844, 2053555, 2346920, 3285688, 4107110, 8214220, 16428440]

約数ペア:

[(1, 16428440), (2, 8214220), (4, 4107110), (5, 3285688), (7, 2346920), (8, 2053555), (10, 1642844), (14, 1173460), (20, 821422), (23, 714280), (28, 586730), (35, 469384), (40, 410711), (46, 357140), (56, 293365), (70, 234692), (92, 178570), (115, 142856), (140, 117346), (161, 102040), (184, 89285), (230, 71428), (280, 58673), (322, 51020), (460, 35714), (644, 25510), (805, 20408), (920, 17857), (1288, 12755), (1610, 10204), (2551, 6440), (3220, 5102)]