28399840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25357}}^1$

素因数の和:25379

約数の個数: 48

約数和(自身を含む): 76682592

約数和(自身を除く): 48282752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25357, 50714, 101428, 126785, 177499, 202856, 253570, 354998, 405712, 507140, 709996, 811424, 887495, 1014280, 1419992, 1774990, 2028560, 2839984, 3549980, 4057120, 5679968, 7099960, 14199920, 28399840]

約数ペア:

[(1, 28399840), (2, 14199920), (4, 7099960), (5, 5679968), (7, 4057120), (8, 3549980), (10, 2839984), (14, 2028560), (16, 1774990), (20, 1419992), (28, 1014280), (32, 887495), (35, 811424), (40, 709996), (56, 507140), (70, 405712), (80, 354998), (112, 253570), (140, 202856), (160, 177499), (224, 126785), (280, 101428), (560, 50714), (1120, 25357)]