201319840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30689}}^1$

素因数の和:30745

約数の個数: 48

約数和(自身を含む): 487234440

約数和(自身を除く): 285914600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 30689, 61378, 122756, 153445, 245512, 306890, 491024, 613780, 982048, 1227560, 1258249, 2455120, 2516498, 4910240, 5032996, 6291245, 10065992, 12582490, 20131984, 25164980, 40263968, 50329960, 100659920, 201319840]

約数ペア:

[(1, 201319840), (2, 100659920), (4, 50329960), (5, 40263968), (8, 25164980), (10, 20131984), (16, 12582490), (20, 10065992), (32, 6291245), (40, 5032996), (41, 4910240), (80, 2516498), (82, 2455120), (160, 1258249), (164, 1227560), (205, 982048), (328, 613780), (410, 491024), (656, 306890), (820, 245512), (1312, 153445), (1640, 122756), (3280, 61378), (6560, 30689)]