28436460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36457}}^1$

素因数の和:36482

約数の個数: 48

約数和(自身を含む): 85749216

約数和(自身を除く): 57312756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36457, 72914, 109371, 145828, 182285, 218742, 364570, 437484, 473941, 546855, 729140, 947882, 1093710, 1421823, 1895764, 2187420, 2369705, 2843646, 4739410, 5687292, 7109115, 9478820, 14218230, 28436460]

約数ペア:

[(1, 28436460), (2, 14218230), (3, 9478820), (4, 7109115), (5, 5687292), (6, 4739410), (10, 2843646), (12, 2369705), (13, 2187420), (15, 1895764), (20, 1421823), (26, 1093710), (30, 947882), (39, 729140), (52, 546855), (60, 473941), (65, 437484), (78, 364570), (130, 218742), (156, 182285), (195, 145828), (260, 109371), (390, 72914), (780, 36457)]